How to Fix OneDrive Stuck Downloading PST Files
Question details
The user needs to resolve an issue where OneDrive stops progressing and gets stuck while attempting to download a PST file.

- Product
- Microsoft OneDrive
- Device & OS
- not provided
- Scenario
- Downloading a backed-up or synced Outlook PST file from OneDrive to the local machine.
- Observed behavior
- The OneDrive desktop client gets stuck and fails to complete the download of the PST file.
Ensure you have a stable internet connection and your Microsoft 365 account credentials ready before attempting to test the web download.
Verify the File Download via OneDrive on the Web
Isolate the issue by testing whether the PST file can be downloaded directly from the OneDrive website instead of the desktop application.
By bypassing the desktop client and using the web interface, you can determine if the synchronization application is malfunctioning or if the file itself is corrupted or blocked by the server.
Open your preferred web browser, navigate to the official OneDrive website, and log in using your Microsoft account credentials.
Navigate through your online folders and find the specific PST file that is currently stuck downloading on your desktop.
Select the PST file by clicking the checkmark next to it, then click the 'Download' button located in the top menu bar.

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Frequently Asked Questions
Why does OneDrive struggle with downloading PST files?
PST files are often very large and can be actively locked if Outlook is running in the background. Because of their size and file structure, OneDrive sync processes can easily get stuck or time out if the connection fluctuates.
How can I fix the OneDrive desktop client if the web download succeeds?
If the web download works, try pausing and resuming the sync from the OneDrive system tray icon. If that fails, restarting the OneDrive app or unlinking and relinking your PC in the OneDrive settings usually resolves client-side glitches.
What should I do if the PST file fails to download from the web interface too?
If the web download also fails, the PST file might be corrupted on the server, or there is an ongoing OneDrive service outage. You should check the Microsoft Service Health dashboard or contact your organization's Microsoft 365 administrator for further investigation.




