Excel succeeded not because it had the most advanced formulas, but because anyone could open it, type in numbers and see ...

Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...

Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors ...

Learn Paste Special math, Flash Fill patterns, Go To Special filters, and the F4 shortcut to clean data fast and share Excel ...