OneDrive Not Uploading Files Troubleshooting Steps & Fixes

Summary – OneDrive is a widely used cloud storage platform that offers seamless syncing, sharing, and collection across devices. However, users often encounter upload failures—ranging from slow syncing, file errors, and connection issues, to complete upload freezes. This blog consolidates all the major causes behind OneDrive not uploading. It provides troubleshooting fixes to help restore smooth file upload and syncing.

“OneDrive Not Uploading Files?” – What This Error Really Means

When you see the message OneDrive not uploading files, it indicates that your documents, photos, or folders are failing to sync from your device to Microsoft’s cloud storage. It happens when OneDrive is unable to process an upload due to issues like network instability, file restrictions, storage limits, or app glitches. In simple terms, your files are stuck and not being transferred to the cloud as expected.

But before jumping into solutions, it’s essential to understand the common triggers behind OneDrive upload issues. Multiple factors—from file limitations and storage shortages to network problems and application glitches—can create these syncing roadblocks.

What are the Reasons Behind OneDrive Upload Failure?

Here are the most frequent culprits behind OneDrive not uploading or getting stuck, or failing:

• Weak or unstable internet connection, especially low upload speed.
• Outdated OneDrive, Windows, or Office versions are causing compatibility issues.
• Insufficient OneDrive or local device storage, preventing new uploads.
• File size exceeding OneDrive limits based on browser or app version.
• Too many small files or extremely large files are uploaded at once.
• Unsupported characters or overly long file paths (over 442 characters).
• The file is used or locked by another application, preventing syncing.
• The corrupted Office Upload Centre cache is blocking uploads.
• Account login issues or a disconnected OneDrive account from Windows.
• Network restrictions, VPNs, proxies, or firewalls are interfering with cloud access.
• Local system limitations, such as low RAM, CPU overload, or disk space shortage.
• Server-side outages on Microsoft’s end.
• Corrupted credentials or registry identities in Windows.

Manual Troubleshooting Fixes for OneDrive Not Uploading Issues

Below are consolidated, non-repetitive troubleshooting steps to fix OneDrive upload failures manually:

1. Update Windows, Office & OneDrive

• Ensure all three components are updated.
• Pending updates may trigger upload and sync issues.

2. Check Internet Speed & Stability

• Run a speed test to assess upload bandwidth.
• Restart your modem/router to fix unstable network connections.

3. Verify Storage Availability

• Confirm that both OneDrive and your device have enough free space.
• Clear unnecessary files if storage is full.

4. Review File Names, Characters & Path Length

• Remove restricted characters ( * ? | < > \ / “ : ) and shorten long file paths.
• Avoid filenames starting with system-reserved words (CON, AUX, PRN, etc).

5. Ensure File Size Compliance

• Latest browsers allow uploads up to 250 GB per file; older versions and the desktop app have lower limits.

6. Close Files in Use & Fix Permissions

• Ensure the file isn’t open in any program.
• Reconnect your Windows account to regain proper access if permissions are denied.

7. Restart or Refresh OneDrive

• Refresh the web page, or end the OneDrive process from Task Manager and relaunch it.

8. Reset the OneDrive Client

• Use the reset command to clear internal client errors: %localappdata%\Microsoft\OneDrive onedrive.exe/reset

9. Clear Office Upload Centre Cache

• Delete cached files to resolve file-lock or upload conflicts.

10. Unlink & Relink OneDrive Account

• Disconnect your PC from OneDrive, sign back into Windows, then reconnect OneDrive.

11. Clear Credential Manager Entries

• Delete corrupted Microsoft Office and OneDrive credentials to refresh authentication.

12. Delete Corrupted Registry Identities (Advanced)

• Remove the ‘Identities’ key in the Office registry path if uploads fail due to identity corruption.

13. Review Action Centre Alerts

• Check OneDrive’s Action Centre for targeted suggestions and error details.

14. Try OneDrive Web Upload

• Upload stubborn files directly through the web interface to bypass desktop client issues.

15. Use Selective Sync or Move Problematic Files

• Temporarily deselect syncing of problematic folders and re-enable them later.

16. Check Firewall, Antivirus, VPN & Proxy Settings

• Disable or reconfigure these tools if they block OneDrive connections.

17. Improve Local Performance

• Close heavy applications, free RAM, release disk space, or update system drives.

Simplified Process for Uploading Files to OneDrive

If manual troubleshooting for OneDrive not uploading doesn’t resolve persistent upload failures, advanced tools can automate syncing and eliminate technical roadblocks. A professional fix like Shoviv OneDrive Migrator helps manage OneDrive data without depending on the native OneDrive sync client. It ensures smooth file handling, automated job processing, and error-free data transfer—especially useful for recurring upload problems or business environments. It can migrate from File System to OneDrive, OneDrive to OneDrive/ File Systems and other targets.

Key Features of Shoviv OneDrive Migrator: 

• Migrate unlimited data from the File System (local) to OneDrive and OneDrive to File System Backup with an appropriate license.
• It can manage data for multiple OneDrive users in a single operation.
• Job-based processing for creating numerous tasks with ease.
• Supports all file types and formats.
• Advanced filters based on size, date, type, and folder
• Adjustable thread count and control over failed items.
• Migration jobs can be scheduled for automation.
• Fully compatible with all Windows operating systems.
• Offers a free demo version to process up to 20 KB of data.

Final Closure:

Most OneDrive upload issues arise from simple misconfigurations, file restrictions, or storage limitations, while others require deeper fixes like resetting the client or cleaning corrupted credentials. Following the steps in this guide—starting from basic checks and progressing to advanced solutions—ensures a faster, more efficient recovery. If the issues persist, consider specialised tools like Shoviv OneDrive Migrator as per the need.

Frequently Asked Questions: