Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...
Kalb is co-founder and CEO of Super Labs, which launched in September and just raised $8 million in a seed funding round led ...
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 ...