Here are some general tips for when Excel keeps crashing or freezing:

1. Check Your Drivers and Microsoft Updates:
   Stay up to date with your computer’s operating system and device drivers. Regularly check for and install important operating system updates and device driver updates.
2. Check for Program Conflicts:
   Run your anti-virus software and check your system for any programs that may be conflicting with Excel.
3. Delete Old File Data:
   Delete files from inside Excel that you don’t need anymore, like temporary files and snapshots.
4. Uninstall and Reinstall Excel:
   If all else fails, remove Excel and reinstall it.