Is it safe to delete this folder?

249 folders

• Android native build folders (.cxx)

  Safe to remove…/.cxx

• Android Studio caches

  Safe to remove~/Library/Caches/Google

  Indexes and caches of every Android Studio version. Rebuilt when a project is opened.

• Android tools cache

  Safe to remove~/.android/cache

• Angular build caches (.angular)

  Safe to remove…/.angular

• Bun cache

  Safe to remove~/.bun/install/cache

• Cargo git dependencies

  Safe to remove~/.cargo/git

• Cargo registry cache

  Safe to remove~/.cargo/registry

• Carthage cache

  Safe to remove~/Library/Caches/org.carthage.CarthageKit

• CocoaPods cache

  Safe to remove~/Library/Caches/CocoaPods

• CocoaPods project folders (Pods)

  Safe to remove…/Pods

• CocoaPods spec repositories

  Safe to remove~/.cocoapods/repos

  Local copies of pod spec repositories. CocoaPods fetches them again on the next pod install.

• Conda package cache (Anaconda)

  Safe to remove~/anaconda3/pkgs

• Conda package cache (Miniconda)

  Safe to remove~/miniconda3/pkgs

• Conda package cache (Miniforge)

  Safe to remove~/miniforge3/pkgs

• Cursor compiled code cache

  Safe to remove~/Library/Application Support/Cursor/CachedData

• Cypress binaries

  Safe to remove~/Library/Caches/Cypress

• Dart analysis server cache

  Safe to remove~/.dartServer

• Electron downloads

  Safe to remove~/Library/Caches/electron

• Expo project caches (.expo)

  Safe to remove…/.expo

• Flutter / Dart package cache

  Safe to remove~/.pub-cache

• Flutter build folders

  Safe to remove…/build

• Flutter project caches (.dart_tool)

  Safe to remove…/.dart_tool

• Go build cache

  Safe to remove~/Library/Caches/go-build

• Go module cache

  Safe to remove~/go/pkg/mod

  Downloaded Go modules. Files are read-only, so MoreRoom uses go clean -modcache; modules download again on the next build.

• Gradle build folders

  Safe to remove…/build

• Gradle caches

  Safe to remove~/.gradle/caches

• Gradle daemon logs

  Safe to remove~/.gradle/daemon

• Gradle distributions

  Safe to remove~/.gradle/wrapper/dists

• Gradle project caches (.gradle)

  Safe to remove…/.gradle

• Homebrew downloads

  Safe to remove~/Library/Caches/Homebrew

• iOS Device Support (old versions)

  Safe to remove~/Library/Developer/Xcode/iOS DeviceSupport

  Debug symbols copied from every iPhone you plugged in. Xcode copies them again when needed.

• JetBrains IDE caches and indexes

  Safe to remove~/Library/Caches/JetBrains

  Indexes and caches of IntelliJ, PyCharm, WebStorm and others. Rebuilt when a project is opened (indexing can take a while).

• Kotlin/Native toolchains

  Safe to remove~/.konan

  Compilers and dependencies Kotlin Multiplatform downloads. Downloaded again on the next build.

• macOS Device Support (old versions)

  Safe to remove~/Library/Developer/Xcode/macOS DeviceSupport

• MacPorts downloaded sources

  Safe to remove/opt/local/var/macports/distfiles

• Maven repository

  Safe to remove~/.m2/repository

• minikube image cache

  Safe to remove~/.minikube/cache

• Next.js build folders

  Safe to remove…/.next

• node_modules folders

  Safe to remove…/node_modules

  Installed dependencies of projects not touched for 30 days. Restored with npm install (or yarn, pnpm, bun).

• npm cache

  Safe to remove~/.npm/_cacache

• npx package cache

  Safe to remove~/.npm/_npx

  Packages downloaded to run one-off npx commands. Downloaded again the next time they run.

• NuGet package cache

  Safe to remove~/.nuget/packages

• Nuxt build folders (.nuxt)

  Safe to remove…/.nuxt

• Parcel caches (.parcel-cache)

  Safe to remove…/.parcel-cache

• pip cache

  Safe to remove~/Library/Caches/pip

• pipx cache

  Safe to remove~/.local/pipx/.cache

• Playground simulators

  Safe to remove~/Library/Developer/XCPGDevices

• Playwright Chromium (old versions)

  Safe to remove~/Library/Caches/ms-playwright

• Playwright Firefox (old versions)

  Safe to remove~/Library/Caches/ms-playwright

• Playwright headless shell (old versions)

  Safe to remove~/Library/Caches/ms-playwright

• Playwright WebKit (old versions)

  Safe to remove~/Library/Caches/ms-playwright

• pnpm store

  Safe to remove~/Library/pnpm/store

• Poetry cache and virtualenvs

  Safe to remove~/Library/Caches/pypoetry

  Downloaded packages and the virtualenvs Poetry creates for projects. poetry install recreates them.

• pre-commit hook environments

  Safe to remove~/.cache/pre-commit

• Puppeteer browsers

  Safe to remove~/.cache/puppeteer

• Rust build folders (target)

  Safe to remove…/target

• Selenium browser drivers

  Safe to remove~/.cache/selenium

• Simulator caches

  Safe to remove~/Library/Developer/CoreSimulator/Caches

• Simulator logs

  Safe to remove~/Library/Logs/CoreSimulator

• SvelteKit build folders (.svelte-kit)

  Safe to remove…/.svelte-kit

• Swift package build folders (.build)

  Safe to remove…/.build

• Swift Package Manager cache

  Safe to remove~/Library/Caches/org.swift.swiftpm

• SwiftUI preview data

  Safe to remove~/Library/Developer/Xcode/UserData/Previews

• Test simulator clones

  Safe to remove~/Library/Developer/XCTestDevices

• Turborepo caches (.turbo)

  Safe to remove…/.turbo

• tvOS Device Support (old versions)

  Safe to remove~/Library/Developer/Xcode/tvOS DeviceSupport

• uv cache

  Safe to remove~/.cache/uv

• visionOS Device Support (old versions)

  Safe to remove~/Library/Developer/Xcode/visionOS DeviceSupport

• VS Code compiled code cache

  Safe to remove~/Library/Application Support/Code/CachedData

• VS Code extension downloads

  Safe to remove~/Library/Application Support/Code/CachedExtensionVSIXs

• watchOS Device Support (old versions)

  Safe to remove~/Library/Developer/Xcode/watchOS DeviceSupport

• Xcode build data (DerivedData)

  Safe to remove~/Library/Developer/Xcode/DerivedData

  Intermediate build products. Xcode rebuilds them on the next build.

• Xcode caches

  Safe to remove~/Library/Caches/com.apple.dt.Xcode

• Yarn (Berry) global cache

  Safe to remove~/.yarn/berry/cache

• Yarn cache

  Safe to remove~/Library/Caches/Yarn

• Android build-tools versions

  Review first~/Library/Android/sdk/build-tools

  Older build-tools. The two newest are kept; Gradle downloads a missing version when a project needs it.

• Android emulators

  Review first~/.android/avd

  Each emulator disk image (3-15 GB). Unused ones can be recreated from Android Studio.

• Android NDK versions

  Review first~/Library/Android/sdk/ndk

  Older NDK versions (1-3 GB each). The newest is kept; a project that pins an older one downloads it again.

• Android SDK platforms (old API levels)

  Review first~/Library/Android/sdk/platforms

  SDK platforms for older API levels. The two highest are kept; a project targeting an older level downloads it again.

• Android SDK sources

  Review first~/Library/Android/sdk/sources

  Framework source code used only for browsing in the IDE. The newest is kept; others can be downloaded again.

• Android Studio settings from old versions

  Review first~/Library/Application Support/Google

  Settings, plugins and indexes left by previous Android Studio versions. The newest is kept.

• Android system images

  Review first~/Library/Android/sdk/system-images

  System images used to create emulators. The SDK Manager can download them again.

• Colima virtual machines

  Review first~/.colima

  Disks of Colima profiles, with their containers and images. Prune images first; delete a profile only if you no longer use it.

• Conda environments (Anaconda)

  Review first~/anaconda3/envs

  Each Conda environment with its packages. Remove the ones you no longer use; they can be recreated from an environment file.

• Conda environments (Miniconda)

  Review first~/miniconda3/envs

  Each Conda environment with its packages. Remove the ones you no longer use; they can be recreated from an environment file.

• Conda environments (Miniforge)

  Review first~/miniforge3/envs

  Each Conda environment with its packages. Remove the ones you no longer use; they can be recreated from an environment file.

• Cursor data for old workspaces

  Review first~/Library/Application Support/Cursor/User/workspaceStorage

  Per-folder state, including AI chat history, for folders not opened in 90 days. Not recoverable once deleted.

• Cursor extensions

  Review first~/.cursor/extensions

  Installed extensions. Uninstall unused ones from Cursor; they can be reinstalled.

• Docker Desktop disk image

  Review first~/Library/Containers/com.docker.docker/Data/vms

  Holds all images, containers and volumes. Prune, then reclaim space instead of deleting the file.

• Homebrew packages

  Review first/opt/homebrew/Cellar

  Everything installed with Homebrew. MoreRoom only removes outdated versions and orphan dependencies, never the packages you use.

• iOS simulator runtimes (downloaded images)

  Review first/System/Library/AssetsV2/com_apple_MobileAsset_iOSSimulatorRuntime

  Where recent Xcode versions actually store iOS simulator runtimes, 7-10 GB each. Removed through Xcode's runtime manager; can be downloaded again.

• iOS simulators

  Review first~/Library/Developer/CoreSimulator/Devices

  Each simulated device with its apps and data. Unused ones can be deleted and recreated in Xcode.

• Java JDKs (user)

  Review first~/Library/Java/JavaVirtualMachines

  JDKs installed by IntelliJ or Android Studio. Keep the versions your projects use.

• Java versions (SDKMAN!)

  Review first~/.sdkman/candidates/java

  JDKs installed with SDKMAN!. Keep the default and the ones your projects use; others can be installed again.

• JDKs downloaded by Gradle

  Review first~/.gradle/jdks

  Java toolchains Gradle provisioned automatically. Gradle downloads them again if a build needs one.

• Lima virtual machines

  Review first~/.lima

  Each Lima instance with its disk. Its files are lost when deleted.

• Nix store

  Review first/nix/store

  All Nix packages and old generations. Garbage collection removes only what no profile references any more.

• Node.js versions (nvm)

  Review first~/.nvm/versions/node

  Each Node.js installed with nvm, with its global packages. The most recently used is kept; check .nvmrc files before removing others.

• Node.js versions (Volta)

  Review first~/.volta/tools/image/node

  Node.js versions fetched by Volta. Volta downloads a removed version again when a project pins it.

• OrbStack disk image

  Review first~/Library/Group Containers/HUAQ24HBR6.dev.orbstack/data

  Holds OrbStack's containers, images, volumes and Linux machines. Clean up from OrbStack; deleting the file loses all of them.

• Other Xcode versions

  Review first/Applications

  Each Xcode is 12-40 GB. The most recently used copy is kept; older ones and betas can be downloaded again from Apple.

• Podman machines

  Review first~/.local/share/containers/podman/machine

  Podman's Linux VM disks, with all images and containers inside. Prune from Podman rather than deleting the files.

• Python versions (pyenv)

  Review first~/.pyenv/versions

  Each Python built by pyenv, with its packages. Check .python-version files before removing one.

• Python versions (uv)

  Review first~/.local/share/uv/python

  Python interpreters downloaded by uv. The newest is kept; uv downloads a removed version again when a project asks for it.

• Python virtual environments

  Review first…/.venv

  Python environment of a project not touched recently. Recreated from its requirements, but some setups are hard to rebuild: check first.

• Python virtual environments (venv)

  Review first…/venv

  Python environment of a project not touched recently. Recreated from its requirements, but some setups are hard to rebuild: check first.

• Rancher Desktop virtual machine

  Review first~/Library/Application Support/rancher-desktop/lima

  Rancher Desktop's VM disk with images and containers. Clean up from the app.

• Ruby versions (rbenv)

  Review first~/.rbenv/versions

  Each Ruby built by rbenv, with its gems. Check .ruby-version files before removing one.

• Rust toolchains

  Review first~/.rustup/toolchains

  Installed Rust toolchains (nightlies pile up). The most recently used is kept; rustup reinstalls a pinned toolchain when needed.

• Simulator runtimes

  Review first/Library/Developer/CoreSimulator/Volumes

  Full iOS/watchOS/visionOS system images, 7-10 GB each. Keep the one you test on; Xcode can download others again.

• Swift toolchains

  Review first~/Library/Developer/Toolchains

  Extra Swift compilers installed from swift.org (1-3 GB each). Keep the ones your projects select; others can be downloaded again.

• Tart image cache

  Review first~/.tart/cache

  VM images pulled from registries. Tart pulls them again when needed (often 20-50 GB).

• Vagrant boxes

  Review first~/.vagrant.d/boxes

  Base images Vagrant downloaded. Removed boxes download again on the next vagrant up.

• VS Code data for old workspaces

  Review first~/Library/Application Support/Code/User/workspaceStorage

  Per-folder state (open tabs, extension data, AI chat history) for folders not opened in 90 days. Not recoverable once deleted.

• VS Code extensions

  Review first~/.vscode/extensions

  Installed extensions, some with large language servers. Uninstall unused ones from VS Code; they can be reinstalled.

• Parallels virtual machines

  Keep — your data~/Parallels

  Whole computers with your files inside. Offload to an external drive; never deleted automatically.

• Tart virtual machines

  Keep — your data~/.tart/vms

  macOS and Linux VMs created with Tart. Their disks hold your changes; offload instead of deleting.

• UTM virtual machines

  Keep — your data~/Library/Containers/com.utmapp.UTM/Data/Documents

  Whole computers with your files inside. Offload to an external drive; never deleted automatically.

• Virtual machine and emulator disks

  Keep — your data*.qcow2, *.vmdk, *.vdi, *.vhd, *.vhdx

  Disks of virtual machines found outside known VM apps. They hold whole systems and files: offload, never deleted automatically.

• VirtualBox virtual machines

  Keep — your data~/VirtualBox VMs

  Whole computers with your files inside. Offload to an external drive; never deleted automatically.

• VMware Fusion virtual machines

  Keep — your data~/Virtual Machines.localized

  Whole computers with your files inside. Offload to an external drive; never deleted automatically.

• Xcode archives

  Keep — your data~/Library/Developer/Xcode/Archives

  Signed builds you shipped. Needed to read crash reports: offload instead of deleting.

• Claude Code versions (desktop app)

  Safe to remove~/Library/Application Support/Claude/claude-code

• Hugging Face download cache (Xet)

  Safe to remove~/.cache/huggingface/xet

  Chunks kept to speed up later downloads. Downloaded models stay intact.

• Chrome on-device AI model (Gemini Nano)

  Review first~/Library/Application Support/Google/Chrome/OptGuideOnDeviceModel

  A model Chrome downloads for its built-in AI features. Deleted, it comes back unless on-device AI is turned off in Chrome.

• Claude Code history

  Review first~/.claude/projects

  Session transcripts and logs. Recent sessions are never touched.

• Claude desktop sandbox VM

  Review first~/Library/Application Support/Claude/vm_bundles

  The virtual machine Claude uses to run code (about 10 GB). Claude recreates it the next time it is needed, which takes a few minutes.

• Codex CLI history

  Review first~/.codex/sessions

  Old session transcripts, grouped by year. Recent sessions are never touched; deleted ones cannot be resumed.

• ComfyUI models

  Review first~/Documents/ComfyUI/models

  Checkpoints, LoRAs and other models, by type. Most can be downloaded again but some are hard to find: offload rather than delete.

• ComfyUI models

  Review first~/ComfyUI/models

  Checkpoints, LoRAs and other models, by type. Most can be downloaded again but some are hard to find: offload rather than delete.

• Draw Things models

  Review first~/Library/Containers/com.liuliu.draw-things/Data/Documents/Models

  Image models downloaded in Draw Things. They can be downloaded again from the app.

• Gemini CLI history

  Review first~/.gemini/tmp

  Per-project chat checkpoints and logs. Recent ones are never touched; deleted ones cannot be resumed.

• GPT4All models

  Review first~/Library/Application Support/nomic.ai/GPT4All

  Downloaded language models. GPT4All can download them again.

• Hugging Face datasets

  Review first~/.cache/huggingface/hub

  Datasets downloaded through the Hugging Face hub. They download again when a script needs them.

• Hugging Face models

  Review first~/.cache/huggingface/hub

  Models downloaded by Python tools and apps. They download again the next time a script needs them.

• Hugging Face processed datasets

  Review first~/.cache/huggingface/datasets

  Datasets converted by the datasets library. Rebuilt from the hub when a script loads them again.

• Jan models and data

  Review first~/Library/Application Support/Jan/data

  Jan's downloaded models and your conversations. Remove models from Jan; conversations are not recoverable.

• Keras model cache

  Review first~/.keras/models

  Pretrained weights downloaded by Keras. They download again on next use.

• LM Studio models

  Review first~/.lmstudio/models

  Downloaded models, grouped by publisher. They can be downloaded again from LM Studio.

• MacWhisper models

  Review first~/Library/Application Support/MacWhisper/models

  Transcription models downloaded by MacWhisper. They can be downloaded again from its settings.

• Ollama models

  Review first~/.ollama/models

  Local language models (2-70 GB each). Remove the ones you don't use; ollama pull downloads them again.

• Pinokio apps

  Review first~/pinokio/api

  Each AI app installed by Pinokio with its environment and models (often 10-50 GB). Reinstallable, but outputs inside an app folder are yours.

• PyTorch model cache

  Review first~/.cache/torch

  Pretrained weights downloaded by PyTorch. They download again when a script needs them.

• Whisper models

  Review first~/.cache/whisper

  Speech recognition models downloaded by openai-whisper. They download again on next use.

• AI model files

  Keep — your data*.gguf, *.safetensors, *.ckpt, *.pth, *.pt, *.onnx, *.keras

  Large model weights found outside the tools MoreRoom knows. Often re-downloadable, sometimes your own training: offload rather than delete.

• ComfyUI generated images

  Keep — your data~/Documents/ComfyUI/output

  Everything you generated. Your work: offload or archive, never deleted automatically.

• ComfyUI generated images

  Keep — your data~/ComfyUI/output

  Everything you generated. Your work: offload or archive, never deleted automatically.

• App caches

  Safe to remove~/Library/Caches

  Temporary data apps rebuild. Some come back quickly; MoreRoom tracks that.

• App compiled code caches (Electron apps)

  Safe to remove…/Code Cache

• App web caches (Electron apps)

  Safe to remove…/Cache

  Web cache of apps built on Chromium (Notion, Figma, Teams, Discord, Postman…). Rebuilt on next launch; quit the app first.

• Downloaded app updates (ShipIt)

  Safe to remove~/Library/Caches

  Update packages left by apps such as VS Code, Slack or Claude. Removed safely; an app downloads its next update again.

• Logs and crash reports

  Safe to remove~/Library/Logs

• macOS installers

  Safe to remove/Applications

• System crash reports

  Safe to remove/Library/Logs/DiagnosticReports

• Video wallpapers (Aerials)

  Safe to remove/Library/Application Support/com.apple.idleassetsd/Customer

• Trash

  Review first~/.Trash

  Files you already deleted. Emptying the Trash is permanent.

• Apple Intelligence models

  Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_UAF_FM_GenerativeModels

  System models used by Apple Intelligence. macOS manages them; they cannot be removed while Apple Intelligence is on.

• Dictation and speech recognition models

  Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_UAF_Speech_AutomaticSpeechRecognition

  On-device dictation models, one per language. macOS manages them.

• Downloaded macOS update

  Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_MacSoftwareUpdate

  An update macOS has prepared. It is removed once installed; MoreRoom cannot delete it.

• Downloaded system voices

  Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_VoiceServices_CombinedVocalizerVoices

  Voices for Spoken Content and VoiceOver. Remove them in System Settings > Accessibility > Spoken Content > System voice > Manage Voices.

• Downloaded voices (MacinTalk)

  Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_MacinTalkVoiceAssets

  Additional speech voices. Managed in Accessibility > Spoken Content.

• Siri voice

  Keep — your data/System/Library/AssetsV2/com_apple_MobileAsset_UAF_Siri_TextToSpeech

  Voices used by Siri. macOS manages them; they cannot be removed while Siri is on.

• Spotlight index

  Keep — your data/System/Volumes/Data/.Spotlight-V100

  The search index. If it is unusually large, rebuild it by adding and removing your disk in Spotlight privacy settings.

• Swap and sleep image

  Keep — your data/private/var/vm

  Memory macOS writes to disk. It shrinks after a restart and cannot be deleted.

• Arc cache

  Safe to remove~/Library/Caches/Arc

• Brave cache

  Safe to remove~/Library/Caches/BraveSoftware

• Chrome cache

  Safe to remove~/Library/Caches/Google/Chrome

  Web cache of every Chrome profile. Rebuilt as you browse; tabs, passwords and history are elsewhere.

• Chrome profile snapshots

  Safe to remove~/Library/Application Support/Google/Chrome/Snapshots

  Copies of your profile taken before Chrome updates, used only to roll back.

• Discord cache

  Safe to remove~/Library/Application Support/discord/Cache

• Firefox cache

  Safe to remove~/Library/Caches/Firefox

• Google updater downloads

  Safe to remove~/Library/Application Support/Google/GoogleUpdater/crx_cache

• iOS software updates (IPSW)

  Safe to remove~/Library/iTunes/iPhone Software Updates

• iPadOS software updates (IPSW)

  Safe to remove~/Library/iTunes/iPad Software Updates

• Mail attachments opened

  Safe to remove~/Library/Containers/com.apple.mail/Data/Library/Mail Downloads

  Copies made when you open an attachment. The original stays in the message.

• Microsoft Edge cache

  Safe to remove~/Library/Caches/Microsoft Edge

• Microsoft Excel cache

  Safe to remove~/Library/Containers/com.microsoft.Excel/Data/Library/Caches

• Microsoft Outlook cache

  Safe to remove~/Library/Containers/com.microsoft.Outlook/Data/Library/Caches

• Microsoft PowerPoint cache

  Safe to remove~/Library/Containers/com.microsoft.Powerpoint/Data/Library/Caches

• Microsoft Teams cache

  Safe to remove~/Library/Containers/com.microsoft.teams2/Data/Library/Caches

• Microsoft Word cache

  Safe to remove~/Library/Containers/com.microsoft.Word/Data/Library/Caches

• Opera cache

  Safe to remove~/Library/Caches/com.operasoftware.Opera

• Other Google caches

  Safe to remove~/Library/Caches/Google

• Safari cache

  Safe to remove~/Library/Caches/com.apple.Safari

• Slack cache

  Safe to remove~/Library/Application Support/Slack/Cache

• Slack cache (App Store version)

  Safe to remove~/Library/Containers/com.tinyspeck.slackmacgap/Data/Library/Application Support/Slack/Cache

• Slack offline cache

  Safe to remove~/Library/Application Support/Slack/Service Worker/CacheStorage

• Spotify offline and cache storage

  Safe to remove~/Library/Application Support/Spotify/PersistentCache

  Cached and downloaded songs. Spotify downloads them again when needed.

• Telegram media cache

  Safe to remove~/Library/Group Containers/6N38VWS5BX.ru.keepcoder.Telegram

• Vivaldi cache

  Safe to remove~/Library/Caches/Vivaldi

• iPhone and iPad backups

  Review first~/Library/Application Support/MobileSync/Backup

  Full device backups, one folder per device. Keep the latest of each device or offload; deleted backups cannot be restored.

• Podcasts downloads

  Review first~/Library/Group Containers/243LU875E5.groups.com.apple.podcasts

  Downloaded episodes. Played ones can be removed from Podcasts and streamed again.

• Telegram Desktop data

  Review first~/Library/Application Support/Telegram Desktop

  Mostly cached media, plus your session. Clear the cache from the app; deleting the folder signs you out.

• Cloud drives (local copies)

  Keep — your data~/Library/CloudStorage

  Dropbox, Google Drive, OneDrive and others. Make files online-only; they stay in the cloud.

• Dropbox folder (local copies)

  Keep — your data~/Dropbox

  Files synced by Dropbox. Make them online-only; they stay in Dropbox.

• iCloud Drive (local copies)

  Keep — your data~/Library/Mobile Documents

  Files kept on this Mac that are also in iCloud. Free the local copy; the file stays in iCloud and downloads again when opened.

• Mail mailboxes

  Keep — your data~/Library/Mail

  Your local copy of every mailbox. Never deleted by MoreRoom.

• Messages attachments

  Keep — your data~/Library/Messages/Attachments

  Photos, videos and files from your conversations. Review the largest ones in macOS storage settings; never deleted by MoreRoom.

• Outlook mailboxes

  Keep — your data~/Library/Group Containers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles

  Your local copy of mail, calendars and attachments. Never deleted by MoreRoom.

• Signal attachments

  Keep — your data~/Library/Application Support/Signal/attachments.noindex

  Photos, videos and files from your Signal chats. Delete them from conversations in Signal; never deleted by MoreRoom.

• TV app media

  Keep — your data~/Movies/TV

  Downloaded movies and shows, plus any home videos you imported. Remove purchased downloads from TV; they can be downloaded again.

• WhatsApp messages and media

  Keep — your data~/Library/Group Containers/group.net.whatsapp.WhatsApp.shared

  Your conversations and received photos and videos. Review large chats from WhatsApp; never deleted by MoreRoom.

• Zoom local recordings

  Keep — your data~/Documents/Zoom

  Meetings you recorded. Your files: offload or archive, never deleted automatically.

• Adobe app caches (After Effects disk cache…)

  Safe to remove~/Library/Caches/Adobe

  Disk caches of After Effects, Photoshop and other Adobe apps. Rebuilt as you work.

• Adobe media cache database

  Safe to remove~/Library/Application Support/Adobe/Common/Media Cache

• Adobe media cache files

  Safe to remove~/Library/Application Support/Adobe/Common/Media Cache Files

  Conformed audio and peak files from Premiere Pro and After Effects. Rebuilt when media is opened again.

• DaVinci Resolve render cache (CacheClip)

  Safe to remove…/CacheClip

  Render and optimized-media cache. Resolve rebuilds it when the timeline plays.

• Lightroom Classic previews

  Safe to remove~/Pictures/Lightroom

  Thumbnails and previews of the catalog. Lightroom rebuilds them as you browse.

• Premiere Pro audio previews

  Safe to remove…/Adobe Premiere Pro Audio Previews

  Rendered audio previews. Premiere renders them again when needed.

• Premiere Pro video previews

  Safe to remove…/Adobe Premiere Pro Video Previews

  Rendered timeline previews. Premiere renders them again when needed.

• Ableton Live packs

  Review first~/Music/Ableton/Factory Packs

  Instrument and sample packs installed by Ableton Live. Can be downloaded again from your Ableton account.

• Apple Loops

  Review first/Library/Audio/Apple Loops

  Loops shared by Logic Pro and GarageBand. Managed by the Sound Library Manager; downloadable again.

• Blender settings from old versions

  Review first~/Library/Application Support/Blender

  Preferences and add-ons left by previous Blender versions. The newest is kept.

• DaVinci Resolve proxy media

  Review first…/ProxyMedia

  Lightweight copies of your footage for smooth editing. Regenerating them takes time; originals are untouched.

• GarageBand sound library

  Review first/Library/Application Support/GarageBand

  Instruments and lessons downloaded by GarageBand. Downloadable again from the app.

• Lightroom Classic smart previews

  Review first~/Pictures/Lightroom

  Let you edit photos while the originals are offline. Lightroom rebuilds them only if the originals are connected.

• Logic Pro sound library

  Review first/Library/Application Support/Logic

  Instruments, loops and samples (up to 70 GB). Can be moved to an external drive or reduced from Logic; downloadable again.

• Camera RAW video files

  Keep — your data*.braw, *.r3d, *.ari, *.crm, *.mxf

  Original footage from cinema cameras. Your media: offload to an external drive, never deleted.

• Final Cut Pro libraries

  Keep — your data~/Movies

  Your projects and media. Render, proxy and optimized files inside can be deleted from Final Cut and are recreated when needed.

• iMovie libraries

  Keep — your data~/Movies

  Your iMovie projects and media. Render files inside can be deleted from iMovie and are recreated.

• Photos libraries

  Keep — your data~/Pictures

  Your photos and videos. Offload, or turn on Optimize Mac Storage in Photos > Settings > iCloud. Never deleted.

• Very large videos

  Keep — your data*.mov, *.mp4, *.m4v, *.mkv

  Videos over 2 GB, such as screen recordings and camera footage. Your files: offload, never deleted.

• Godot project caches (.godot)

  Safe to remove…/.godot

  Imported assets and editor state. Godot re-imports everything when the project is opened.

• Steam app cache

  Safe to remove~/Library/Application Support/Steam/appcache

• Steam shader cache

  Safe to remove~/Library/Application Support/Steam/steamapps/shadercache

• Unity caches

  Safe to remove~/Library/Unity/cache

• Unity project Library folders

  Safe to remove…/Library

  Imported assets cache. Unity rebuilds it when the project is opened (can take a while).

• Unreal Engine shared cache (DDC)

  Safe to remove~/Library/Application Support/Epic/UnrealEngine/Common/DerivedDataCache

  Compiled shaders and cooked assets. Unreal rebuilds them when a project is opened (can take a while).

• Epic Games games

  Review first/Users/Shared/Epic Games

  Installed games. Saves are usually in the cloud or elsewhere; games can be downloaded again.

• Epic Games Launcher data

  Review first~/Library/Application Support/Epic/EpicGamesLauncher

  The launcher's own data and web cache. It downloads what it needs again after signing in.

• Epic Vault cache (Fab and Marketplace downloads)

  Review first/Users/Shared/UnrealEngine/Launcher/VaultCache

  Asset packs downloaded before being added to projects. Assets already in projects are not affected.

• Heroic games (Epic, GOG, Amazon)

  Review first~/Games/Heroic

  Games installed by the Heroic launcher. They can be downloaded again.

• Minecraft game versions

  Review first~/Library/Application Support/minecraft/versions

  Game versions and mod loaders. The launcher downloads a removed version again when a profile needs it.

• Steam games

  Review first~/Library/Application Support/Steam/steamapps/common

  Installed games. Steam Cloud keeps most saves; games can be downloaded again or moved to another library folder.

• Unity Asset Store downloads

  Review first~/Library/Unity/Asset Store-5.x

  Packages downloaded from the Asset Store. Already-imported assets stay in your projects; packages can be downloaded again.

• Unity editors

  Review first/Applications/Unity/Hub/Editor

  Each installed Unity version with its platform modules. Keep the versions your projects use.

• Unreal Engine versions

  Review first/Users/Shared/Epic Games

  Each installed engine is 30-60 GB. Keep the versions your projects use; others can be installed again from the launcher.

• Unreal Engine Zen cache

  Review first~/Library/Application Support/Epic/UnrealEngine/Common/Zen

  The local cache server's storage. Quit Unreal first; it is rebuilt, but the next project opening is slow.

• CrossOver bottles

  Keep — your data~/Library/Application Support/CrossOver/Bottles

  Windows environments with installed apps, settings and game saves. Export or offload before removing one.

• Heroic Wine prefixes

  Keep — your data~/Games/Heroic/Prefixes

  Windows environments that hold settings and game saves. Remove one only after its game is uninstalled and saves are synced.

• Minecraft worlds

  Keep — your data~/Library/Application Support/minecraft/saves

  Your worlds. Offload or back up, never deleted automatically.

• Whisky bottles

  Keep — your data~/Library/Containers/com.isaacmarovitz.Whisky/Bottles

  Windows environments with installed games and their saves. Export or offload before removing one.

• Large archives

  Review first*.zip, *.7z, *.rar, *.tar, *.gz, *.tgz, *.bz2, *.xz, *.zst

  Archives over 1 GB. Often already extracted, but some are your only copy of a backup: open before deleting, or offload.

• Large disk images and installers

  Review first*.dmg, *.iso, *.img, *.xip, *.pkg

  Installers and disk images outside Downloads. Usually not needed once installed, but a .dmg can also be an encrypted volume with your files: check first.

• Old archives in Downloads (.zip)

  Review first~/Downloads

  Archives downloaded more than 30 days ago. Often already extracted next to them; check before deleting.

• Old disc images in Downloads (.iso)

  Review first~/Downloads

  Operating system or disc images downloaded more than 30 days ago. Check that no virtual machine still uses them.

• Old disk images in Downloads (.dmg)

  Review first~/Downloads

  Installers you downloaded more than 30 days ago. Usually already installed; check before deleting.

• Old firmware files in Downloads (.ipsw)

  Review first~/Downloads

  iOS or macOS restore images (5-15 GB). They can be downloaded again from Apple.

• Old installer packages in Downloads (.pkg)

  Review first~/Downloads

  Installer packages downloaded more than 30 days ago. Usually already installed; check before deleting.

• Old Xcode archives in Downloads (.xip)

  Review first~/Downloads

  Xcode downloads (7-15 GB each). Once Xcode is installed, the .xip is no longer needed.

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