Microsoft Excel 2021365 - Beginner to Advanced - Exercise 11 - data validation

The video tutorial covers data validation for part numbers, requiring them to be six characters long with the first three as letters and the last three as numbers. It explains how to use Excel formulas to check these conditions, convert results to true or false, and combine them using the AND function. The tutorial also demonstrates applying the validation rule to a cell and suggests adding an error message for incorrect entries.

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