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How to Fix Upload Blocked Error in OneDrive



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OneDrive is a useful storage service that allows users to back up and store their files online. It is easy to use and in fact a more secured way of storing files. However, there have been reports from users that an error is blocking their way from successfully uploading their files. While they try to upload files to OneDrive, they come across an error message indicating, “Upload Blocked. You are required to sign-in.”


Causes of Upload Blocked Error

There are several reasons why you encounter the Upload Blocked Error in OneDrive. Knowing which reason may have caused your error will help you find the right solution to resolve the problem.

First, you do not have permission to access the file. Check if the file is on a server and see if you can open it. If it is, try to upload again. You can also contact your network administrator to get permission in accessing the file. Another reasons is that you lack permission to upload the file to the folder you want. If this is the case, make sure that you have permission on the folder you want to upload the file with or choose a folder which you have permission and try uploading again.

You may also have a problem with your OneDrive. In some cases, your connection may be interrupted or lost while transferring the file so it prevents you to upload successfully. You can also check if you are signed in your OneDrive account. If not, sign in to your account and try uploading.

To help you solve the Upload Blocked Error in your OneDrive, here are the solutions you can try:

Solution 1 – Remove the Office Credentials Using the Credential Manager

You may have problems with login credentials, which may have been the reason for the error. Your Microsoft Data stored by the Credential Manager may be corrupted. If this is the case, try removing the credentials through the steps below.

  • Open the Run dialog box by pressing the Windows key + R together.
  • Inside the run dialog box, type “control” and press enter. You will be directed to the classic Control Panel interface.
  • Inside the Interface, navigate to the top-right section of the screen for the search function.
  • Type “credential manager” and press Enter.
  • Click on Credential Manager. Choose Windows Credentials located at the top to see all the stored credentials.
  • Look for credentials with mentions of Microsoft Office. Expand these credentials and click the Remove hyperlink. Do this one at a time until all stored credentials with Microsoft Office have been removed.
  • Next, close the Credential Manager and restart your computer to see if the error has been resolved.

Solution 2 – Use Office to Sync Office Files

  • Look for the OneDrive icon on the taskbar and right click to open a menu.
  • Click on Settings and then look for the Office tab. Click to open.
  • Select “Use Office applications to Sync files that I Open.” A pop-up window will appear.
  • Select “Let me choose to merge changes or keep both copies.” Click OK to save changes.
  • Restart your computer and try to upload your files again.


Uploading files in your OneDrive account is an effective way to store important files and back it up using a cloud system in case your computer is compromised. Resolving all errors with your OneDrive including the Upload Blocked Error will help you maximize the service. Tell us in the comments below with solution works for you best.

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