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How to Fix SharePoint Custom Power Apps Form Not Opening
Question details
The user needs to resolve an issue where a SharePoint Online list ignores a custom Power Apps form and instead opens list items in the default side panel.
- Product
- SharePoint Online / Power Apps
- Device & OS
- not provided
- Scenario
- Clicking to view or edit list items after integrating and publishing a custom Power Apps form in a SharePoint Online environment.
- Observed behavior
- The list items continue to open in the standard SharePoint side panel instead of launching the published custom Power Apps form.
Ensure you have Microsoft 365 administrator privileges or can easily contact your organization's IT admin, as resolving persistent backend integration bugs often requires an official support ticket.
Verify Form Configuration and Perform Basic Troubleshooting
Confirm that the list is explicitly configured to use the custom form and rule out temporary browser caching issues.
Sometimes SharePoint will revert to default forms if the custom Power Apps form is not completely published or if the list settings have not been properly updated to prioritize the new form.
Navigate to your SharePoint list, click the gear icon for 'Settings', select 'List settings', and then click 'Form settings'. Ensure that 'Use a custom form created in Power Apps' is selected.
Open the form in Power Apps, make a minor change, click 'Save', and then explicitly click 'Publish to SharePoint' to force an update.
Test opening a list item in an Incognito/Private window or try a completely different web browser (e.g., Edge or Chrome) to rule out local cache conflicts.
Create a completely new test list in your SharePoint site, integrate a basic Power Apps form, and see if the same issue occurs. If it does, the problem is likely a system bug.
Collect HAR Logs and Submit a Support Request
If the issue is reproducible across new lists, it is likely a backend bug that requires investigation by the Microsoft development team.
Looking for a simpler workflow? Try WPS Office
While SharePoint and Power Apps offer complex integrations that can sometimes encounter frustrating backend bugs, WPS Office provides a free, lightweight, and highly compatible alternative for everyday document creation, editing, and team collaboration.
- 1. Download the Installer: Visit the official WPS Office website and click the free download button for your operating system.
- 2. Install WPS Office: Run the downloaded installer and follow the fast, straightforward setup wizard.
- 3. Open Your Documents: Seamlessly open, edit, and save your existing Microsoft Office files without worrying about compatibility or complex setups.
Frequently Asked Questions
Why is my SharePoint list ignoring my custom Power Apps form?
This can happen if the 'Form settings' in SharePoint are still set to default, if the Power Apps form wasn't published correctly to SharePoint, or due to a known service bug currently affecting Microsoft 365 environments.
How do I force SharePoint to use my custom Power Apps form?
Go to your SharePoint List settings, select 'Form settings', and ensure the option 'Use a custom form created in Power Apps' is toggled on. Save the settings and refresh your list.
What is a HAR file and why does Microsoft support need it?
A HAR (HTTP Archive) file records the communication network requests between your browser and a website. Microsoft developers use it to investigate bugs like Power Apps integration failures by seeing exactly where the backend data request drops.
