macOS apps hang when opening or saving files stored in OneDrive

ISSUE

Opening or saving files within Desktop or Documents folders can cause the file's app to freeze. This occurs on macOS 15.

STATUS

The issue has been resolved in macOS 15.2. If you cannot update the app, please follow the workaround below.

SOLUTION

Saving files

1. Open Activity Monitor.

   Tip: You can find it in the Applications > Utilities folder, or search for it using Cmd + Space to open Spotlight.

2. In the search bar at the top right of Activity Monitor, enter OpenAndSavePanelService

3. Select the process from the list. It may have very high CPU usage or show "No response". 

4. In the top menu bar, click the X button and then choose Force Quit.

5. Quit and restart OneDrive.

6. Save your Office file to another folder location.

Opening files

1. Open Activity Monitor.

   Tip: You can find it in the Applications > Utilities folder, or search for it using Cmd + Space to open Spotlight.

2. In the search bar at the top right of Activity Monitor, enter OpenAndSavePanelService

3. Select the process from the list. It may have very high CPU usage or show "No response". 

4. In the top menu bar, click the X button and then choose Force Quit.

5. Move the file from your Desktop or Documents folder to another folder location.

6. Open your file as normal.