OneDrive showing the upload blocked error? Fix it

Vladimir Popescu
by Vladimir Popescu
Windows & Software Expert
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  • Microsoft OneDrive is one of the most popular cloud services in the world.
  • Continue reading if OneDrive is showing the upload blocked error.
  • To read more about this amazing service, check out our dedicated OneDrive Hub.
  • To learn how to fix OneDrive issues, visit its dedicated Fix page.
OneDrive upload blocked error

Users have reported on different help forums that they are encountering the dreaded Upload Blocked. You are required to sign-in error message.

As the error title suggests, this error appears when users try to upload any files to their OneDrive account, and it has made a lot of people very angry. It is understandable that frustrations will arise from dealing with an issue like this.

Here is what one user had to say about this error on the Microsoft Answers forums:

I use on My laptop OneDrive for my personal account, an Office 365 school account and another Office 365 work account. Every time I try to work with an OneDrive file on Excel and trying to save it, Excel pops up this error:Upload Blocked. You are required to sign-in.

It really annoys me and doesn’t let me work on any documents I have. Does someone have a solution?

This issue could be caused by a variety of reasons, but in today’s fix article we compiled some of the best methods for you to try and fix this issue. Read on to find out more details.


1. Make sure Windows 10 has all available updates installed

  1. Press the Win+X keys -> choose Settings.Settings - OneDrive upload blocked error
  2. Click the Update and Security option.
  3. Select the Windows Update tab.
  4. Click Check for Updates.
  5. Install all the updates found by following the on-screen instructions.
  6. Restart your PC and check to see if the issue persists.

2. Try using Office to sync your files

  1. Right-click the OneDrive cloud icon found inside your Windows 10 taskbar.OneDrive in taskbar - OneDrive upload blocked error
  2. Click Settings.
  3. Select the Office tab -> check the box next to the option Use Office applications to Sync files that I Open.
  4. In the newly-opened window -> enable the option Let me choose to merge changes or keep both copies.
  5. Click the Ok button to apply the settings.
  6. Restart your PC and check to see if the issue persists.

Encountering the Onedrive error code 0x8004de34 ? Try these steps


3. Delete the Microsoft Office Upload Center cache

  1. Click the Cortana search box -> type office upload center -> choose the first option.Office Upload Center - OneDrie upload blocked error
  2. Inside the main page of the upload center -> click Settings.
  3. Scroll down and select the Cache Settings option.
  4. Click Delete cached files -> follow the on-screen instructions to complete the process.
  5. Restart your PC and log into your OneDrive account again.
  6. Check to see if the issue has been solved by uploading some files.

4. Disconnect your PC from the OneDrive account

  1. Right-click the OneDrive cloud icon found in the System Tray.
  2. Choose Settings.OneDrive settings - OneDrive upload blocked error
  3. Select the Account tab -> click Unlink this PC.
  4. Confirm that you want to perform this action.
  5. Restart your PC and log in to your OneDrive account.
  6. This should solve the upload error encountered earlier.

We hope the methods presented in this fix guide have proven useful in your situation, and that the OneDrive upload blocked error is fixed.

Please make sure to follow the steps presented in this guide closely, and let us know if you have any other suggestions. You can do this by leaving a comment in the section found below this article.


FAQ: Learn more about OneDrive

  • What is OneDrive?

OneDrive is an online cloud service created by Microsoft, and it is part of the Microsoft Office suite.

  • Are there any alternatives to OneDrive?

Yes, there are plenty of online cloud services that also have free plans out there.

  • Why can’t I connect to OneDrive?

Login issues with OneDrive are quite common, especially if you have problems with your network.