In Excel, common causes include using relative references in formulas (so the rule shifts unexpectedly), mismatched data types (e.g., numbers stored as text), or having multiple overlapping ...

I didn't realize how much time I spent on cleanups until regex let me stop.

If the Excel cell format is not changing to a number because the Number formatting is not working, take these steps to fix the issue. Remove both the Decimal and Thousand separators Numbers are ...