OneDrive Sync Issues: The Name Or Type Isn’t Allowed

Provided by Microsoft, OneDrive is a file hosting service and synchronization service integrated in the Office web version. By keeping files and photos in OneDrive, you can access them from any device anytime you want. OneDrive, your personal cloud storage, provides 5 GB space for free. That is to say, you’ll need to pay for the service once the total size of your files exceeds 5GB; otherwise, you won’t be able to save more data to it.

OneDrive Sync Error the Name or Type Isn’t t Allowed

Every time you make changes to files, you should sync them to OneDrive. However, OneDrive sync error doesn’t seem to be avoidable. There are actually a lot of OneDrive sync issues discussed on the internet. For instance, the name or type isn’t allowed is a popular error message you can see while using OneDrive.

You should rely on MiniTool Software to recover the files lost suddenly during synchronization.

Unable to sync files – “The name or type isn’t allowed”.

I get this for Blank.swf. I filed ticket # 174651 (30099-174651 is in the subject line of the email) on December 1, 2015 and there has been no follow-up since. This is a regression: the Blank.swf files did sync OK, then something changed, and they stopped syncing. They are generated as part of Microsoft LiveMeeting, when it records a meeting’s audio/video stream for later playback.

This is a true problem I found in OneDrive Forums. The user described the exact OneDrive sync error and hopes to find a fix for it.

How to Fix OneDrive the Name or Type Isn’t Allowed

OneDrive will become just a decoration if you can’t sync files between it and your devices. Therefore, it’s urgent for both enterprise and home users to fix the OneDrive error when it appears.

Method 1: make sure the name or type is actually supported.

There are some limitations in the name (first two) and type (last one) of OneDrive files.

• You can’t put these characters in the file names: ”, *, :, <, >, ?, /, and |. In addition, the file name can’t be too long (can’t exceed 400 characters).
• You can’t put these characters in the folder names: AUX, CON, NUL, PRN, COM0 – COM9, LPT0 – LPT9, _vti_, .lock, ini, and any filename starting with ~$.
• In general, the executable files are not supported by OneDrive. However, this is not absolute; the support is decided by server administrator in fact.

Invalid file names and file types in OneDrive, OneDrive for Business, and SharePoint.

Method 2: upload files on the web-based OneDrive client.

The fact is that the file limitations for local client will not influence the file uploading of OneDrive when it is performed on the web-based client. Therefore, I advise you to do the following things:

1. Log in to your OneDrive account through web browser like Google Chrome.
2. Choose the files to sync on the web.
3. Follow the instructions to complete the file uploads.

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Method 3: clear the cache data.

If you can exclude the file or folder limitation reasons, but the problem still exists, you may as well try to settle down OneDrive the name or type isn’t allowed error by clearing the cache data: unlink OneDrive, reset it, and re-link it to computer.

1. Find OneDrive cloud icon in the notification area and right click on it.
2. Choose Settings.
3. Shift to Account tab.
4. Click Unlink this PC.
5. Follow the instructions to set up OneDrive.
6. Press Start + R to open Run dialog.
7. Type %localappdata%\Microsoft\OneDrive\onedrive.exe /reset and hit Enter.
8. The OneDrive icon will disappear from notification area and then reappear after a minute or two.
9. Repeat step 1 ~3.
10. Choose the location of the OneDrive folder.
11. Sign in with the credentials.

Please run %localappdata%\Microsoft\OneDrive\onedrive.exe if the icon doesn’t appear.

You can improve the OneDrive experience on Windows greatly after fixing the OneDrive sync issues.

9 Methods to Help You Fix OneDrive Sync Issues on Windows 10.