Why am I getting an error message when trying to open OneNote?
- Check that all related software is up-to-date.
- Close other background programs that might interfere with OneNote.
- Reboot the device and open OneNote again.
- Make sure that OneNote is compatible with the operating system.
- Ensure that the OneNote file is not corrupted.
- Try to reinstall the current version of OneNote.
- If reinstalling does not work, try an older version of OneNote.