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Excel Data Validation and Conditional Formatting

Learn how to use data validation to control what data can be entered in a cell and explore conditional formatting to automatically format cells based on the values they contain. It's all about making your spreadsheet work better and look better.

5 guides in this section

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Data Validation in Excel: Drop-Down Lists, Rules, and Error Messages

Master Excel data validation: build dynamic and dependent drop-down lists, set number and date rules, write custom formulas, and catch bad data fast.

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Latest guides

How to Use Data Validation in Excel

Learn how to use data validation in Excel to ensure accurate and consistent data entry. Improve data quality with these easy-to-follow steps and tips.

May 21, 2023

How to Copy Data Validation in Excel

Copy data validation and drop-down lists to other cells, whole columns, sheets, and workbooks using Paste Special, the fill handle, and bulk editing on Windows and Mac.

May 20, 2023

How to Remove Data Validation in Excel

Learn how to remove data validation in Excel with this step-by-step guide. Remove unwanted data restrictions to make your Excel sheets more flexible and user-friendly.

May 20, 2023

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