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Fix Power Apps Custom Form Still Opening Default SharePoint Form

Maira Mehtab Oct 9, 2026 869 views

Question details

The user needs to resolve an issue where a SharePoint list continues to open the default SharePoint form instead of the configured Power Apps custom form after migration.

How to Fix Power Apps Custom Form Still Opening Default SharePoint Form

Product: SharePoint Online / Power Apps
Device & OS: not provided
Scenario: Accessing list items after migrating a SharePoint 2019 site to SharePoint Online.
Observed behavior: The list configured with a Power Apps custom form incorrectly opens the original default SharePoint form.

Before you start

Ensure you have Site Owner or Full Control permissions on the migrated SharePoint Online list, and verify that you have an active Power Apps license to edit and publish forms.

Solution 1Recommended

Verify Form Settings and Republish the Power Apps Form

Set the Power Apps form as the default for New, Edit, and Display actions in SharePoint, then reconnect and republish it via Power Apps Studio.

During a migration from SharePoint 2019 to SharePoint Online, form settings and data connections can occasionally reset. You must manually verify that SharePoint is instructed to use the custom form and that the form itself is securely connected to the new online list.

Navigate to SharePoint List Settings

Open your migrated SharePoint Online list, click the gear icon in the top right corner, and select 'List settings' from the dropdown menu.

Update Form Settings

Under the General Settings column, click on 'Form settings'. Ensure the option 'Use a custom form created in Power Apps' is selected, then click 'OK' at the bottom of the page.

Refresh Data Connections in Power Apps

Open the form in Power Apps Studio. Go to the 'Data' pane, find your SharePoint list connection, click the three dots, and select 'Refresh' to ensure it points to the new SharePoint Online environment.

Republish the Custom Form

Once the data connection is verified, go to 'File' > 'Save', and then click 'Publish to SharePoint'. Return to your list and test creating a new item to verify the custom form appears.

Verify Form Settings and Republish the Power Apps Form

Community Support: If the old form continues to open after republishing, you may be experiencing a deep migration glitch. Post the issue in the official Power Apps Community with your list settings, form configuration, and migration tool details for advanced troubleshooting.

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Frequently Asked Questions

Why did my custom form revert to the default SharePoint form after migration?

During migration from SharePoint 2019 to SharePoint Online, list settings or background data connections can be severed or reset to default state. The custom form needs to be explicitly re-linked and set as the default in the new online environment.

How do I completely remove a broken Power Apps form from a SharePoint list?

Go to 'List settings' > 'Form settings', select 'Use the default SharePoint form', and then click 'Delete custom form' below it. This will remove the broken Power Apps integration and restore the standard SharePoint interface.

Can I migrate Power Apps custom forms using standard SharePoint migration tools?

Standard migration tools often migrate the list schema and data successfully but may fail to seamlessly migrate Power Apps forms. You typically need to export the customized Power Apps form manually, import it to the new environment, and re-establish the data connections.

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