James “Jim” D. Watson, who helped discover the structure of DNA at age 25 and went on to spend 21 years as a Harvard biology ...
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 ...