SharePoint Document Issues

Fix SharePoint Document Library Web Part Cannot Be Resized or Renamed

Ayan Masood Oct 21, 2026 868 views

Question details

Users are unable to rename document library web parts or use the 'Autosize to fit number of items' feature, often occurring after a SharePoint service update.

How to Fix SharePoint Document Library Web Part Cannot Be Resized or Renamed

Product: Microsoft SharePoint
Device & OS: not provided
Scenario: Customizing document library web parts on a SharePoint page, specifically when using filtered views that require custom titles.
Observed behavior: The web part title locks to the default library name, and the Autosize setting reverts to default, only allowing manual changes between Small and Medium sizes.

Before you start

Ensure you have Site Owner or Member permissions to edit the SharePoint page, and verify whether the issue persists across different web browsers.

Solution 1Recommended

Remove and Re-add the Web Part

Removing the glitched web part and inserting a fresh instance often resolves temporary display and configuration issues.

Sometimes, background updates to SharePoint can cause existing web parts to become corrupted or lose their configuration state. Re-adding the web part forces the page to load the most recent, stable version of the component.

Edit the Page

Navigate to your SharePoint page and click the 'Edit' button in the top-right corner to enter edit mode.

Delete the Existing Web Part

Select the problematic document library web part and click the 'Delete web part' (trash can) icon on its left side.

Add a New Web Part

Hover over the section, click the '+' icon to add a new web part, and select 'Document library' from the menu.

Configure Settings

Select your library, apply your custom views, test the 'Small' or 'Medium' sizing options, and attempt to edit the title.

Republish

Click the 'Republish' button at the top right to save the changes to the live page.

Solution 2

Report Patch Regression to Microsoft Support

If the autosize and renaming features remain locked after re-adding the part, it is likely a platform regression that requires intervention from Microsoft.

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Frequently Asked Questions

Why does my SharePoint document library web part name revert to the default?

This behavior often occurs after a SharePoint platform update or patch introduces a bug, locking the title to the original library name instead of allowing custom section names for filtered views.

Can I use filtered views with different titles if the web part is locked?

If the web part title is bugged, a temporary workaround is to hide the default title if possible, and add a separate 'Text' web part directly above the document library web part to serve as your custom section header.

What should I do if 'Autosize to fit number of items' doesn't work?

First, try removing and re-adding the web part. If that fails, manually set the size to 'Small' or 'Medium' in the web part properties. If the Autosize feature is completely broken due to a service update, you will need to report it to Microsoft and wait for a patch.

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