One of these solutions will do the job
How to Fix Microsoft Excel Stopped Working or Unresponsive Issue
Microsoft Excel responsiveness issues are common. The problems can be caused by a minor glitch or another issue with the app. If closing and restarting Excel doesn’t fix the issue, you may want to look at more advanced solutions.
There are actually several ways to fix Excel when it crashes. You can start it in safe mode, disable add-ins, and even use the repair utility to repair all Office apps. Here are a few solutions you can try to resolve your issue.
A quick way to check if your configured options or add-ins are causing Excel to not respond is to start the app in Safe Mode. Excel will only load essential items when you do this, leaving out all add-ins and custom options.