OneDrive File Issues

How to Fix Cannot Delete PDF Files from OneDrive or SkyDrive (File in Use)

John WilsonJohn Wilson Nov 3, 2026 868 views

Question details

The user is unable to delete PDF files stored in their cloud synchronization folder due to a persistent 'File in Use' error, even when all PDF viewers are closed.

How to Fix 'File in Use' Error When Deleting PDF Files from OneDrive
Product
Windows File Explorer / OneDrive
Device & OS
Windows 8.1
Scenario
Attempting to delete synced PDF documents from the local OneDrive, SkyDrive, Dropbox, or Google Drive folder.
Observed behavior
Windows displays a 'File in Use' error, blocking the file deletion process despite no active PDF applications like Acrobat or Reader running.
Before you start

Ensure that all PDF viewing applications are fully closed and verify if your cloud storage application is currently uploading or downloading files.

Solution 1Recommended

Disable the File Explorer Preview Pane

The Windows File Explorer preview pane often locks PDF files in the background, preventing them from being deleted or moved.

When the preview pane is active, Windows uses a background process to generate a thumbnail or preview of the document. This process places a lock on the PDF file, making the system think it is actively in use.

1
Open File Explorer

Press the Windows Key + E to open Windows File Explorer and navigate to the folder containing your locked PDF file.

2
Access the View settings

Click on the 'View' tab located at the top ribbon menu of the File Explorer window.

3
Toggle the Preview pane

Click on 'Preview pane' to turn it off. Ensure the button is no longer highlighted.

4
Delete the file

Select the PDF file you want to remove and press the Delete key on your keyboard.

Disable the File Explorer Preview Pane
Quick Tip: You can also quickly toggle the Preview pane on and off by pressing Alt + P on your keyboard.
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Frequently Asked Questions

Why does Windows say my PDF is in use when no programs are open?

This happens because hidden background processes are still interacting with the file. Common culprits include the Windows File Explorer preview pane generating thumbnails, or cloud storage apps like OneDrive and Dropbox actively syncing the file to the cloud.

Does this issue only affect SkyDrive or OneDrive?

No, the 'File in Use' error can occur with any cloud storage provider, including Google Drive and Dropbox. It is primarily triggered by the file syncing mechanism or Windows OS features like the preview pane, rather than a specific cloud app.

How do I turn off the Preview pane in newer versions like Windows 10 or 11?

In Windows 10, open File Explorer, click the 'View' tab, and uncheck 'Preview pane'. In Windows 11, click the 'View' menu on the top bar, hover over 'Show', and unselect 'Preview pane'. Alternatively, just press Alt + P.