Use data validation rules to control the type of data or the values that users enter into a cell. One example of validation is a drop-down list (also called a drop-down box or drop-down menu). …

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You can use data validation to restrict the type of data or values that users enter into cells. This is an advanced topic on data validation. For an introduction to data validation, and how to …

The following example shows how to create a data validation condition to ensure that data typed into a text box control matches a specific value — in this case, the word Hello.

You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

Use the Find and Replace features in Excel to search for something in your workbook, such as a particular number or text string. You can either locate the search item for reference, or you can …

Utilisez les règles de validation des données pour contrôler le type de données ou les valeurs que les utilisateurs entrent dans une cellule. Une liste déroulante (aussi appelée « menu déroulant …

If you set up your list source as an Excel table, then all you need to do is add or remove items from the list, and Excel will automatically update any associated drop-downs for you.

You can use the Validation Rule property and the Validation Text property of a form control to validate data that is input to that control and to help users who input data that is not valid.

Ensuring data integrity You can use the built-in data validation feature in Excel. For example, you may choose to allow only numbers or dates in a column of a table.