Microsoft Excel uses double quotation marks to signify text within formulas. When it sees these marks, it uses the text and discards the quotes. Typing quotation marks directly into a cell is not an ...
Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...
The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...