Storage Sense can reclaim space automatically, but its categories do different things. A deleted download and a cloud file changed to online-only have very different consequences. Review the actual settings on your PC rather than relying on what another computer does by default.

Open Settings, System, Storage, then Storage Sense. Read its schedule and each retention rule. If you use Downloads as a permanent filing cabinet, move important documents into a deliberate working folder with a backup before allowing automated cleanup there.

Decide what each category means for you

Recycle Bin cleanup permanently removes items from that bin after the chosen period. It should not be your only way to retrieve a document you might need later. Check the bin for anything deliberately parked there before enabling a short retention rule.

A Downloads rule concerns files that have not been opened within the chosen period. An old installer may be disposable; an unused tax document may still matter. Age is a selection rule, not evidence that a file has no value.

For cloud content, Storage Sense can remove a local copy while leaving the cloud file available online. That saves space but can make a document unavailable during travel or an internet outage. OneDrive items marked Always keep on this device are exempt from this cloud-content management.

Validate without a rushed cleanup

Write down the settings you chose and check available storage before the next scheduled run. Afterwards, inspect a sample of files you expect to remain locally available. Test essential offline material with the network disconnected, then reconnect normally.

Storage Sense settings apply per user and operate on the system drive. Another account or another drive can therefore require a separate review. If space remains critically low, identify large applications or data folders rather than tightening every deletion rule indiscriminately. Automatic maintenance should support an organised storage plan, not decide which business or personal records you can afford to lose.

Reference: Microsoft Support.