What causes Invalid Notebook Name error in OneNote?

You may see the Invalid Notebook error in the OneNote Desktop version because of various reasons. Such as corrupted Office or OneNote installation. This is one of the very common reasons for this error. However, it is not the only reason. Outdated OneNote and some glitches are two of the other talked about reasons. The other possible reasons include:

The specified location is not available.You do not have permission to modify the specified location.The path or notebook name contains invalid characters.The combined path and notebook name exceed the maximum path length.

Fix Invalid Notebook Name error in OneNote

These are the things you need to fix OneNote Invalid Notebook Name error: Let us talk about them in detail.

1] Notebook names must be unique and contain only letters and numbers

Check the name! Do note that Notebook names must be unique and contain only letters and numbers.

2] Update OneNote

The first and foremost thing you need to do to rectify the error is to update OneNote. More often not, Office apps update themselves automatically, but on some rare occasions, when they don’t do, you need to follow the given steps to update OneNote. Now, install the update and check if the issue persists.

3] Clear the OneNote Cache

Clear the OneNote Cache and see if that helps you. Read: Troubleshoot OneNote problems, errors & issues.

4] Repair OneNote

If updating is to no avail, then the issue can be because of a corrupted package. Hence, we need to repair the software and see if the issue persists. There are two versions having the same problem. If you are on the Desktop Version of Office, use the following steps to repair it. Wait for the process to complete and check if the issue is fixed. If you are on the Standalone UWP Version, you can repair OneNote by following the above-mentioned steps. Just instead of Microsoft Office, select Repair OneNote.

5] Reinstall Office

If you can then try reinstalling Office. It can fix the issue if it is because of a corrupted file. You can uninstall Office by the traditional method but we would recommend, using Microsoft Office Uninstaller tool to remove it cleanly and then redownload and reinstall the app. Hopefully, you are able to resolve the issue with the given solutions. Read Next:

How to enable Dark Mode in OneNote or OutlookHow to convert OneNote to Word or PDF in Windows.