Some users have reported that when they attempt to upload files from their hard drive to their OneDrive account, the upload process doesn’t progress at all. It remains stuck on Preparing to upload for hours. Even with the limited number of items and small file size, the sync process issue persists. It can happen if zero-byte files are blocking the sync process, invalid file types or names, there’s a network problem, OneDrive is outdated, etc. So, if the OneDrive sync process is stuck on Preparing to upload on your Windows 11/10 PC, the working solutions covered in this post will be helpful.
Before using these fixes, check if your internet connection is stable and working fine. Also, make sure that OneDrive is UpToDate, and there’s sufficient storage space in OneDrive and your PC. You should also check if the file(s) are opened or in use by some application or process, as this may cause sync issues. If the problem persists, use the fixes covered below.
If the OneDrive is stuck on Preparing to upload on your Windows 11/10 PC, use the following solutions:
- Pause and resume OneDrive sync
- Check file restrictions and limitations in OneDrive
- Remove zero-byte files (empty files) from the sync process
- Unlink and then relink OneDrive
- Reset OneDrive
- Contact Microsoft Support.