An unexpected text value The input of special characters The function argument is not the expected type Dates stored as text. One of the issues that may trigger the ...

The #SPILL! error is a common headache for many people using modern Excel. The good news, however, is that it's not a calculation failure—it's almost always a space ...

Fix "fake" numbers, strip hidden web spaces, and join text professionally using Excel's built-in legacy and modern tools.