Please share the results of the following steps:
Step 1: Open Ribbon Workbench
1. Go to Power Apps (https://make.powerapps.com/)
2. Navigate to Solutions.
3. Click New Solution → Give it a name (e.g., “Fix Global Command Bar”).
4. Add the Application Ribbon to the solution.
5. Open Ribbon Workbench and select the newly created solution.
Step 2: Locate the “New” Button
1. Inside Ribbon Workbench, look for the Home Command Bar.
2. Find the “New” button.
3. Click on it and check its properties.
Step 3: Check for HideCustomAction
1. Look in the “Custom Actions” section for any HideCustomAction applied.
2. If it exists, it means the button has been intentionally hidden.
3. Right-click on the HideCustomAction and delete it.
4. Publish the changes.