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How to Fix Cannot Edit or Remove SharePoint Online Left Navigation Links
Question details
Users are encountering an unexpected error that prevents them from removing or editing existing links in the left navigation sidebar of a SharePoint Online site.
- Product
- Microsoft SharePoint Online
- Device & OS
- not provided
- Scenario
- Attempting to modify the site navigation structure by editing or deleting existing links in the left sidebar.
- Observed behavior
- The system displays an error stating that some changes may have been saved but an unexpected error occurred, preventing the successful removal of the links. Adding new links may still function correctly.
Ensure you have the necessary 'Edit' or 'Full Control' permission level on the specific SharePoint site before attempting to modify its navigation structure.
Clear Browser Cache and Use an Alternative Browser
Stale browser cache and cookies frequently cause session glitches that result in unexpected errors during site navigation edits.
SharePoint relies heavily on active session data. When browser data becomes corrupted or outdated, it can partially block administrative actions like deleting navigation links while still allowing you to add new ones.
Click on your profile picture in the top right corner and sign out of your SharePoint Online account.
Go to your web browser's settings menu and clear the cache, cookies, and temporary site data.
Open a different supported web browser (such as Microsoft Edge, Google Chrome, or Mozilla Firefox) and log back into your SharePoint site.
Navigate to the site navigation settings and attempt to edit or remove the left navigation links again.
Verify Permissions and Compare Site Settings
If the issue only occurs on specific sites, there may be permission discrepancies or specific site features interfering with the edits.
Change Navigation Layout to Horizontal
If your goal is to remove the left sidebar entirely, switching the site's navigation layout to horizontal is a highly effective workaround.
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Frequently Asked Questions
Why do I get an unexpected error when editing SharePoint navigation?
This error is typically caused by a corrupted browser session, outdated cache, conflicting browser extensions, or lacking the proper permission levels on that specific SharePoint site.
Can I hide the left navigation bar in SharePoint Online entirely?
Yes. You can hide the left navigation bar by clicking the Settings gear icon, selecting 'Change the look', clicking 'Navigation', and changing the layout option from Vertical to Horizontal.
Why can I add new navigation links but not remove existing ones?
This specific glitch is often tied to session caching issues that fail to process deletion requests properly. Clearing your browser cookies and cache, or using a different browser, usually restores the ability to delete links.
