How to Fix Upload Blocked Error in OneDrive – (Resolved)

Many Windows users have reported that they face Upload Blocked Error while working with Microsoft Office files hosted on the OneDrive account. The detailed error message is as follows: “Upload Blocked Error. You must be signed in to upload your changes to this location.”

Read: How to Change OneDrive Folder Location in Windows 11

After exploring this particular issue by reviewing user reports and various solution strategies used by users to resolve this issue, we have identified several scenarios that would generate this download blocked error. This error can be caused by a problem with OneDrive, incorrectly stored credentials, a problem with a linked OneDrive account, incorrectly cached data in Office, Office not joining synchronization, or the Identity registry key I feel bad.

If you are looking for ways to resolve this error pop-up, then this article will provide you with various possible fixes. It is advisable to follow the below fixes in the order in which we have listed them.

Fix 1 – Install every pending Windows update

1. Press Windows Key + R to open the Run dialog box. Type ms-settings:windowsupdate and press OK to open the Windows Update tab.
2. In the right pane of the Windows Update tab, click Check for Updates. Wait until the initial scan is complete.
3. When the scan is complete, follow the on-screen instructions to continue installing the recommended updates.
4. After each update installation, restart your computer and see if the error is resolved on the next system startup.

Fix 2 – Using Office to sync Office files

This is the most common solution to this problem, as most affected users reported that by setting OneDrive to trust Office when syncing files created with Office apps, they were able to resolve the issue.

1. Click on the OneDrive icon on the taskbar.
2. In the OneDrive menu, click Help and Settings and then Settings.
3. From the horizontal menu at the top, select the Office tab.
4. Now check the box next to Use Office apps to sync Office files I have open.
5. From the Sync conflicts menu at the bottom, choose to Allow me to merge the changes or Keep both copies, then click OK to save the changes.
6. Restart your system to apply the changes made and then check if the problem occurs again.

Fix 3 – Delete Office credentials using Windows Credential Manager

Other users who have experienced this issue have reported that an instance of corrupted credentials stored by Credential Manager can be the cause of the Upload Blocked popup.

1. Press Windows Key + R to open Control Panel and type Control in the Run dialog box.
2. Find Credential Manager in Control Panel and click on it.
3. Select Windows Credentials on the right, then search for Microsoft Account in Stored Credentials.
4. Expand Microsoft Account, then click it to remove the hyperlink. Repeat this step with each mention of a Microsoft account until there are no such credentials.
5. Restart the system and see if that helped you fix the problem.

Figure 4 – Unlink a OneDrive account

1. Click on the OneDrive taskbar icon in the lower right corner.
2. From the menu, select Help & Settings, then Settings.
3. Select the Account tab from the OneDrive main menu. Then click on Unlink this PC to remove your current account.
4. When asked for confirmation, click on Unlink Account.
5. Restart your PC to complete the logout process.
6. On the next boot, open OneDrive and enter your credentials to connect your account with your PC. Repeat the same steps and check if the problem is resolved.

Fix 5 – Delete Cached Files from Microsoft Office

Using the Office Upload Center for Office 2019, 2016, 2013 and 2010

1. Open the Start Menu by holding down the Windows key and typing Office Upload. From the results, select Office Upload Center.
2. Click on the Settings menu in the Download Center.
3. In Upload Center Settings, find Cache Settings and click Delete Cached Files to remove all temporary files associated with Upload Center.
4. When prompted for confirmation, click Delete Cached Information.
5. After the process is complete, reboot your system to check if the fix is ​​working or not.

Using Office Options in Microsoft 365

The Upload Center has been changed for Microsoft 365 users, where files that did not go through the upload process and require user attention are displayed in “Files in need of attention”. Thus, the cached data can be deleted through any of the options menus in Office applications.

1. Open any Office application (Word, PowerPoint, Excel, etc.). Go to the File menu and select Options.
2. In the Options window, select the Save tab and scroll down to find Cache Settings. Click Delete Cached Files to delete the cached data files. Click Delete Cached Files in the confirmation dialog.

Fix 6 – Delete Identity Key via Registry Editor

Some users who have experienced this problem have reported that it can be caused by an incompatibility with a corrupt identity value in the registry. Also, this is quite common on computers that are in a domain network.

1. Open the Run dialog (Windows + R) and type regedit to open Registry Editor. When prompted by UAC, click Yes to grant administrative privileges.

2. In Registry Editor, navigate to the bottom location or copy and paste it into the editor’s navigation bar.

HKEY_CURRENT_USER\Software\Microsoft\Office.0\Common\Identity\Identities

3. In the left pane, right-click on the Identity key and choose Delete from the context menu.

4. After the Identity folder is deleted, close Registry Editor and restart the system. Check if the download stuck error is resolved by repeating the same actions that previously caused the problem.

Conclusion

We hope that you were able to fix the OneDrive upload blocked error on your computer. Please let us know which fix worked for you. If you feel this post is helped you then you can share it with others or also give your feedback in the comment box.