Temporary files are created by various Windows services, installed apps and tools. … When this option is enabled, Windows will delete them automatically and keep you drive clean besides saving your disk space. If you do not have Windows 10 Creators Update installed yet, it is not a problem.

Does Windows automatically delete temp files?

Windows never automatically cleans the %TEMP% directory by default. In Windows 10 you have to enable this feature in Settings, and with earlier versions you must delete the files yourself or use programs like Disk Cleanup or cCleaner. Developers using temporary files are expected to clean up after themselves.

How long do temporary files stay on computer?

These temporary attachment files might need to stay around indefinitely, if the user never closes the associated application. It’s completely safe, and your instinct is 100% correct–this is the way to handle temp files, as long as you remember to clean them up afterwards.