Prevent Duplicate Entries in Excel Column

Описание: 🔵 To prevent duplicate entries in an Excel column, you can use data validation, with a custom formula. In this example, employee data is being entered, and each employee must have a unique ID number. This video shows you the steps to set this up.

✅ Get the sample Excel file to follow along
► https://www.contextures.com/xldataval...

🔶 Instructor: Debra Dalgleish, Contextures Inc.
💡 Get Debra's monthly Excel tips: http://www.contextures.com/signup01
Subscribe to Contextures YouTube: https://www.youtube.com/user/contextu...
#ContexturesExcelTips