A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Dear respected Abhayadev Sankaran,
Good morning! Thank you for publishing in Microsoft Community. We are happy to help you.
According to the description, I understand you encountered with the automatic windows switching scenario with multiple Excel workbooks opened. Feel free to correct me if I made any misunderstanding.
For the situation you encountered, please first try to repair Office regarding to Repair an Office application - Microsoft Support. Note that quick repair normally can not fix the issue but try the reinstallation steps.
We appreciate your understanding that sometimes initial suggestions may not solve the problem very soon. However, we can work together to reduce and resolve the situation. Therefore, please provide more information below so that we can continue working.
- If issue will persist when you run Excel app in Safe Mode which can avoid possible conflict from add-ins?
Open Office apps in safe mode on a Windows PC - Microsoft Support
- Run PC in Windows Safe Mode to exclude influences from background programs and check if issue will persist.
Start your PC in safe mode in Windows - Microsoft Support
- If issue will persists in other Office apps like Word or PowerPoint?
Appreciate your patience and understanding and thank you for your time and cooperation.
Sincerely
Mia | Microsoft Moderator