Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.

Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

With Microsoft Excel's powerful sorting capabilities, you can enter unsorted data and let the software sort your data numerically, alphabetically or chronologically. You can sort all the rows in a ...