Fix OneDrive Sync Pending on Folders with Many Files
Question details
The user needs to resolve a continuous Sync pending status on OneDrive folders that contain a large number of files or subfolders.
- Product
- Microsoft OneDrive
- Device & OS
- not provided
- Scenario
- Synchronizing local folders containing hundreds of files or subfolders to the OneDrive cloud storage.
- Observed behavior
- OneDrive displays a Sync pending status indefinitely, even when the contents appear fully synchronized. Standard troubleshooting like restarting the app or deleting temporary files fails to resolve the incorrect status.
Verify your internet connection stability and log into OneDrive online via your web browser to confirm whether the files have actually been uploaded before making any local modifications.
Resolve File Limitations and Sync Blockers
Identify and fix common issues such as invalid characters, excessive file path lengths, or locked files that prevent the sync engine from completing its index.
OneDrive often pauses syncing when it encounters files that violate Windows naming conventions, exceed path limits, or are currently locked by background applications.
Open Windows File Explorer and navigate to your pending OneDrive folder. Look for and rename any files or folders containing unsupported characters such as <, >, :, ", |, ?, *, /, or \.
Right-click the problematic file, select Properties, and check the location length. Ensure the entire file path (including the drive letter and all subfolders) does not exceed 255 characters. Move deep folders closer to the main OneDrive root directory if needed.
Ensure no files within the pending folder are currently open in other programs. Save your work and close all applications that might be using these files, then check the OneDrive icon in the system tray to see if syncing resumes.
Look for files marked with a red cross icon indicating a sync conflict. Open the file via File Explorer, and Office will typically prompt you to choose which version to keep or merge.
Reset the OneDrive Application
Resetting OneDrive forces the application to completely re-scan and re-index all local and cloud files, which clears persistent sync pending errors.
Experience Seamless Cloud Storage and Editing with WPS Office
If OneDrive sync issues continue to disrupt your workflow, consider switching to WPS Office. Integrated seamlessly with WPS Cloud, it provides a highly compatible and stable environment for managing and editing your documents without persistent syncing errors.
Frequently Asked Questions
Why does OneDrive stay on 'Sync pending' even when files seem fully uploaded?
This usually occurs when the OneDrive client is stuck indexing a large number of files, or it has encountered a file with an unsupported character, an excessively long file path, or a file that is currently locked by another background application.
How long does it take for OneDrive to re-index large folders?
The re-indexing time depends heavily on your hardware performance and the total number of files. For folders with thousands of files, it can take anywhere from a few minutes to several hours. It is best to leave your computer running and connected to a stable network until the process completes.
What should I do if resetting OneDrive doesn't fix the sync pending status?
If resetting fails to clear the status, verify that you are running the latest version of OneDrive. If the software is updated and the issue persists, you may need to unlink and re-link your PC in the OneDrive Account settings, or collect diagnostic logs and contact Microsoft Support.
