If you are unable to upload PST files to OneDrive, you are not alone. The upload may get stuck, fail with a sync error, or remain on the Preparing to upload screen without making any progress. This usually happens because Outlook is still using the PST file, the OneDrive sync client is stuck, or Windows […]
This article Unable to upload PST files to OneDrive [Fix] first appeared on TheWindowsClub.com.