System folders
52 folders, sorted A–Z. Open any folder to see what it does and whether it is safe to clean.
Search Folder Information
- $Recycle.Bin*/$Recycle.BinStores crash dump files generated when applications fail or crashAllow Clean
- microsoft shared*/Common Files/microsoft shared*A folder storing shared components and libraries for Microsoft applicationsDo Not Clean
- CrashDumps*/CrashDumpsStores dump files generated during system or application crashes for debugging and analysis.Allow Clean
- eSupport*/eSupportOEM support folder usually containing drivers, recovery images, manuals, and vendor maintenance or support utilities.Caution
- logs*/logsapplication logsRecommend Clean
- Microsoft Visual Studio*/Microsoft Visual StudioStores installation files and configuration data for Microsoft Visual Studio development tools.Do Not Clean
- NVIDIA*/NVIDIAFolder for storing NVIDIA drivers and softwareDo Not Clean
- PhysX*/PhysXNVIDIA PhysX runtime folder containing physics engine components used by games and graphics applications.Do Not Clean
- IIS*/Program Files/IISInternet Information Services web server, management tools, and extension components.Do Not Clean
- Internet Explorer*/Program Files/Internet ExplorerInternet Explorer browser and its web-rendering and compatibility components.Do Not Clean
- Microsoft*/Program Files/MicrosoftUsed to store 32-bit Microsoft applications and components system folders.Do Not Clean
- Microsoft GameInput*/Program Files/Microsoft GameInputMicrosoft GameInput APIs and support components for controllers and game input devices.Do Not Clean
- Microsoft Help Viewer*/Program Files/Microsoft Help ViewerContains Microsoft Help Viewer files and offline documentation for browsing product help.Do Not Clean
- Microsoft OneDrive*/Program Files/Microsoft OneDriveDirectory for storing Microsoft OneDrive client program filesDo Not Clean
- WindowsApps*/Program Files/WindowsAppsStores apps installed from the Microsoft Store and their data, used for system app management.Do Not Clean
- Deleted*/Program Files/WindowsApps/DeletedResidual directory of deleted WindowsApps, typically containing files from uninstalled or pending-cleanup store applications.Allow Clean
- WSL*/Program Files/WSLWindows Subsystem for Linux installation directory, containing executable files, libraries, and localized resources.Do Not Clean
- Microsoft*/ProgramData/MicrosoftMicrosoft-related system dataDo Not Clean
- Windows*/ProgramData/Microsoft/WindowsStores core Windows system components and global configuration dataDo Not Clean
- Windows Defender*/ProgramData/Microsoft/Windows DefenderStores configuration data and system information for Windows Defender security softwareDo Not Clean
- USOPrivate*/ProgramData/USOPrivateStores private configuration and data files for USO (Update Provider)Do Not Clean
- UpdateStore*/ProgramData/USOPrivate/UpdateStorePrivate directory for storing system update filesDo Not Clean
- USOShared*/ProgramData/USOSharedSystem folder for storing shared data of Windows Update componentsDo Not Clean
- Recovery*/RecoverySystem recovery partition or folder storing recovery environment, reset images, and startup repair files.Do Not Clean
- System Volume Information*/System Volume InformationSystem volume information folder, stores system restore points and volume shadow copiesDo Not Clean
- Users*/UsersRoot directory for user home folders, storing personal files and configurations for each user accountDo Not Clean
- Virtual Machines*/Virtual MachinesStores virtual machine files and configurations for running virtualization environmentsCaution
- VirtualBox VMs*/VirtualBox VMsDirectory for storing virtual machine images and configuration filesCaution
- Windows*/WindowsCore system folder containing essential Windows OS files and configurationsDo Not Clean
- assembly*/Windows/assemblyStores .NET framework assemblies and componentsDo Not Clean
- Fonts*/Windows/FontsContains system font files used by applications and the operating system interface.Do Not Clean
- InputMethod*/Windows/InputMethodStores configuration and data files for Windows input methodsDo Not Clean
- Installer*/Windows/InstallerSystem folder storing Windows installation packages and installation metadataDo Not Clean
- LiveKernelReports*/Windows/LiveKernelReportsStores kernel crash reports for Windows system, used for troubleshooting and analysis.Allow Clean
- Microsoft.NET*/Windows/Microsoft.NETStores .NET Framework components and runtime filesDo Not Clean
- Prefetch*/Windows/PrefetchStores prefetch files for Windows system startup and program execution to accelerate boot and application loading.Do Not Clean
- ServiceProfiles*/Windows/ServiceProfilesStores configuration files for Windows service accounts and data related to system servicesDo Not Clean
- servicing*/Windows/servicingStores configuration and temporary files related to Windows system services and update managementDo Not Clean
- Speech_OneCore*/Windows/Speech_OneCoreA system folder storing OneCore speech-related components and resources in Windows.Do Not Clean
- System32*/Windows/System32Directory for core system files, containing essential Windows OS components and critical system files.Do Not Clean
- config*/Windows/System32/configStores Windows system configuration data, including user accounts, registry, and system settings.Do Not Clean
- drivers*/Windows/System32/driversFolder containing system driver files required by Windows operating system.Do Not Clean
- DriverStore*/Windows/System32/DriverStoreA directory storing installed hardware driver files for system management.Do Not Clean
- winevt*/Windows/System32/winevtDirectory for storing Windows event logs, used to record system, application, and security events.Caution
- SystemApps*/Windows/SystemAppsStores system applications, including executable files and resources for pre-installed apps in Windows.Do Not Clean
- MicrosoftWindows.Client.CBS_*/Windows/SystemApps/MicrosoftWindows.Client.CBS_*Stores system application data for Windows Client CBS (Component-Based Servicing) servicesDo Not Clean
- MicrosoftWindows.Client.Core_*/Windows/SystemApps/MicrosoftWindows.Client.Core_*System core application components supporting Windows client core functionalityDo Not Clean
- SxS*/Windows/SystemApps/SxSStores shared components and system-level programs for Windows system applications.Do Not Clean
- SysWOW64*/Windows/SysWOW64Directory for storing 32-bit compatible programs and system components on 64-bit Windows systemsDo Not Clean
- Temp*/Windows/TempTemporary file storage directory for system and application runtime temporary files.Recommend Clean
- WinSxS*/Windows/WinSxSSystem component store folder, used to store different versions of Windows OS components and dependencies.Do Not Clean
- WpSystem*/WpSystemWindows application data folder often used for Microsoft Store apps or device-related app installation and storage.Do Not Clean