
Hi @Marion Thornell
Thank you for posting your question in the Microsoft Q&A forum.
According to your description, we understand that this situation is frustrating and uncomfortable, especially when the Excel app unexpectedly stops working during your tasks. . We are glad to assist you this part. Could you please provide additional infomation to troubleshoot it more effectively:
- Have you recently been updated or changed the Excel?
- Does other Office apps (Word, PowerPoint, etc.) also affected or only in Excel?
- Are there any specific add-ins you are using in Excel when it crashes?
I have found a relevant article might help you to troubleshoot the Excel app issue, you can refer via:Excel not responding, hangs, freezes or stops working - Microsoft Support
If we are misunderstanding or haven't reach out your main point, please let me know, and I will attempt to provide a solution for you.
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