A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Hello Nancy,
Welcome to the Microsoft community. I understand that you seem to be having problems with Excel regarding circular reference.
This may be due to the fact that you have entered a formula, but it does not work. Instead, you receive a message about "circular reference". Many users have the same problem, and it happens because your formula is trying to calculate itself.
Below is more information about this issue and some reference programs that may work:
Remove or allow a circular reference - Microsoft Support
I hope this is useful and please feel free to ask any questions you may have.
Best regards,
Ian - MSFT | Microsoft Community Support Specialist