Some users have encountered the OneDrive upload blocked issue when trying to work with Microsoft Office files such as Excel. This post shows how to solve this OneDrive upload blocked error. Besides OneDrive, you can also use MiniTool software to sync files.

Some users complain that they come across the OneDrive upload blocked error when they want to upload files to the OneDrive. The detailed error message shows as “Upload Blocked. You are required to sign-in.”

However, what may give rise to this OneDrive blocked issue and how to solve it. In the following section, we will show you how to fix the OneDrive upload blocked issue. If you encounter the same problem, try these solutions.

In fact, there are many reasons leading to the OneDrive upload blocked error. Here, we briefly list some of them.

No matter what the reason is, the most important thing is to solve the OneDrive upload blocked error. In the following part, we will list several ways to fix this problem.

In this section, there are several ways to solve the upload blocked you are required to sign in error.

Now, we will show you the first way to solve OneDrive Upload blocked error.

Step 1: Right-click the OneDrive icon from the Taskbar and then choose Settings.

Step 2: Then go to the Office tab and check the option Use Office applications to Sync files that I Open.

Step 3: In the pop-up window, check the option Let me choose to merge changes or keep both copies, and then click OK to continue.

After that, you can reboot your computer and re-upload files and check whether the issue OneDrive upload blocked is solved.

The OneDrive icon may miss in the Taskbar and File Explorer. This post shows how to fix the issue OneDrive icon missing in the Taskbar and File Explorer.

Now, we will show you the second solution for OneDrive upload blocked. You can try to install every pending Windows Update.

Here is the tutorial.

Step 1: Press Windows key and I key together to open Settings. Then choose Update & Security to continue.

Step 2: In the pop-up window, choose Windows Update tab, and then click Check for Updates to update every pending Windows update.

When all steps are finished, reboot your computer to take effect and re-upload files to check whether the issue OneDrive upload blocked is solved.

In this part, we will show you the third way to solve the upload blocked OneDrive issue. You can try to unlink the OneDrive account.

Now, here is the tutorial.

Step 1: Right-click the OneDrive icon from the Taskbar or the System Tray. Then choose Settings to continue.

Step 2: In the pop-up window, go to the Account tab. Then click Unlink this PC to remove your OneDrive account.

Step 3: Then you are required to confirm whether you want to unlink the account from this PC.

Step 4: After that, restart your computer and re-sign in the OneDrive. Re-upload the files and check whether the issue upload blocked you are required to sign in is solved.

Disabling or removing OneDrive in Windows 10 would be an easy job. This post will tell you how to disable or remove OneDrive with a few steps.

The fourth way to solve OneDrive upload blocked issue is to delete the cache of Microsoft Office Upload Center.

Now, here is the tutorial.

Step 1: Type office upload center in the search box of Windows, and choose the best-matched one to continue.

Step 2: After entering its main interface, click Settings to continue.

Step 3: Scroll down to the Cache Settings section and click Delete cached files to remove all temporary files associated with Office Upload Center.

Step 4: Follow the wizard to continue.

When all steps are finished, reboot your computer to check whether the issue OneDrive blocked is solved.

As is well known, the OneDrive may encounter some problems when syncing files, such as OneDrive sync pending. So, in order to get a better sync experience, you can try another piece of sync software.

Thus, the professional file sync software – MiniTool ShadowMaker can be a good choice. It enables you to sync files with ease and would not come across the OneDrive upload blocked error.

In addition, this file sync software enables you to transfer large files with very fast speed.

To sum up, this post has introduced how to solve the OneDrive upload blocked issue with 5 solutions. If you have the same problem, try these solutions.