OneDrive Free up space vs Delete: what happens to your files

Your laptop is running low on space, and a OneDrive folder looks like an easy place to start. The files are in the cloud anyway, so can you just delete the folder from File Explorer?

To remove a downloaded OneDrive file from this PC while keeping it in OneDrive, right-click it and choose Free up space. Choosing Delete removes the file from OneDrive too, once the change synchronises. Microsoft’s Files On-Demand guidance makes that distinction explicit.

The confusing part is that an online-only file still appears in File Explorer. Its name is there, but its contents are not downloaded on this PC. Seeing the file after freeing space is the expected result.

This guide covers OneDrive Files On-Demand in Windows 11 and files in your own OneDrive. It uses Microsoft’s documented behaviour; shared libraries and organisation-managed PCs can have additional rules.

Free up space, Delete and Always keep do different jobs

Choose the action according to what you want to happen to the file:

The first two commands change local availability. The last changes whether the file is present in your OneDrive folders. Microsoft documents the availability commands separately from deleting files from the computer, OneDrive, or both .

For a file that has finished syncing, the two space-clearing actions leave different things behind:

The diagram shows the file’s normal locations after each action. Deleted items may still be recoverable from a recycle bin.

Deleting an online-only entry is still a deletion of the cloud file. The blue cloud icon does not turn that entry into a disposable shortcut.

Read the file’s status before changing it

In your OneDrive folder, look at the availability symbol beside the file. There are three states to recognise:

Microsoft’s OneDrive icon guide explains these states. A filename or thumbnail alone is not a useful offline check: look at availability and, for something important, try opening the file without a connection before you leave.

An online-only file has no downloaded contents to remove. Selecting Free up space on it cannot reclaim those contents a second time. Look for downloaded files that you can comfortably leave online.

Try Free up space with one small file first

Use a harmless document you can recognise, rather than starting with your entire OneDrive folder. The aim is to learn what success looks like before applying the action more widely.

1. Confirm the file has reached the right OneDrive account

Save and close the document. Check that it is inside the intended OneDrive folder, then allow syncing to finish. If you use both a personal and a work account, make sure you are looking at the right one.

For an extra check, open OneDrive on the web in that same account and confirm that the file is present and contains the version you expect. A file that has not uploaded successfully is a different problem from one that is simply occupying local space.

If you see a red cross, paused syncing or an unresolved warning, deal with it before continuing. Microsoft’s status-icon reference explains what those indicators mean.

2. Make that file online-only

In File Explorer, right-click the downloaded file and select Free up space. Wait for its status to change to the blue cloud.

The filename should remain visible. That is how you find and download the file again later. The underlying action is documented in Microsoft’s Files On-Demand walkthrough .

If Free up space is missing, confirm that the file is inside a synced OneDrive folder and that the OneDrive app is signed in. Check Microsoft’s Files On-Demand setup guidance for the relevant setting. On a PC managed by your organisation, ask IT about unavailable settings.

3. Check the result without downloading it again

Check that the file is still present on the OneDrive website. In File Explorer, you can also inspect its Properties and compare Size with Size on disk.

Those figures answer different questions. Size describes the file’s contents; Size on disk reflects the space allocated locally. Microsoft explains that Files On-Demand placeholders can make the figures differ . Do not judge success only by the Size column, or expect a tiny test document to produce a noticeable change in the drive’s free-space total.

Avoid double-clicking the local entry merely to check that it still works. Opening an online-only file downloads it again, so you would immediately undo the space-saving result you were checking.

4. Apply it to a suitable folder

Once the behaviour makes sense, choose a folder whose contents you do not need offline. For example, old exported videos might suit online-only storage, while the documents for tomorrow’s meeting should stay downloaded.

You can use the same right-click command on a folder. Make the choice around how you use its contents, rather than selecting everything simply because it is the quickest option.

Prepare offline files before you disconnect

For a file you need on a flight, during a commute or somewhere with unreliable internet, select Always keep on this device while you still have a connection. Wait for the download to finish and the solid green circle to appear.

Then test the document in the application you intend to use. A locally available file does not remove an app’s own sign-in, licence or online-service requirements, so a brief offline check is more useful than assuming the icon covers the whole task.

If Storage Sense is configured to manage OneDrive space , it can make ordinary locally available files online-only after the period you select. Files marked Always keep on this device are exempt from that cleanup.

Always keep is not protection against a synchronised deletion. It controls availability on that device. OneDrive still synchronises changes to the file collection, including deletions, as Microsoft explains in its sync-deletion documentation .

PC storage and OneDrive storage are separate limits

Free up space leaves the file in your OneDrive account. It therefore helps with the downloaded contents on this computer, while the file continues to use cloud storage.

That distinction changes which warning you should act on. If the PC’s drive is filling up, online-only files can help. If your OneDrive account is full, changing local availability does not remove anything from the account.

For example, leaving a video archive online-only can give the laptop room for a current project without changing the archive you keep in OneDrive. You have changed where its contents are downloaded, not reduced the collection stored online. This follows directly from Microsoft’s description of retaining files in OneDrive while removing their local downloads .

What if you want the folder to disappear from File Explorer?

That is a separate choice. Free up space keeps the folder visible. OneDrive’s Choose folders setting lets you exclude eligible folders from syncing to a particular computer while keeping them online.

Microsoft’s folder-selection instructions use OneDrive Settings → Account → Choose folders. Review the folder list and clear only the folders you intend to exclude.

Some folders cannot be deselected this way, including protected locations such as Desktop, Documents and Pictures. Do not substitute Delete when a setting refuses your selection. Folder selection, local availability and deletion solve different problems.

If you already chose Delete

Start with OneDrive’s recycle bin on the web:

1. Sign in to OneDrive with the account that held the file.
2. Select Recycle bin.
3. Select the file or folder, then choose Restore.
4. Confirm it has returned to the intended location and let the PC finish syncing.

If it is missing from OneDrive’s recycle bin, also check the Windows Recycle Bin, particularly if the file had not finished uploading. A file deleted while online-only will not appear in the PC’s bin.

Microsoft’s restore instructions describe this route. Check promptly: personal OneDrive recycle-bin items are normally retained for 30 days; work or school accounts normally use 93 days, unless the administrator has changed the retention setting. These periods are recovery windows, not guarantees that an item will remain recoverable after someone permanently deletes it from the bin.

If a work file is missing from your view, contact your organisation’s IT team rather than experimenting with further deletions or sync changes.

Once you have restored the file and confirmed it is online, you can decide whether to keep it downloaded. For reclaiming local space while retaining the cloud file, the command to look for is Free up space.

Sources and further reading

• Microsoft: OneDrive Files On-Demand for Windows
• Microsoft: What the OneDrive status icons mean
• Microsoft: Delete files or folders in OneDrive
• Microsoft: Restore files deleted from OneDrive
• Microsoft Windows Blog: Files On-Demand walkthrough, 13 June 2017
• Microsoft 365 Insider Blog: OneDrive recovery, 31 March 2026