Apr 5, 2023 · Learn how to use custom Data Validation in Excel with your own rules and formulas. Formula examples to allow only numbers or text values, or only text beginning with specific …

Dec 3, 2025 · Data validation in Microsoft Excel is a great way to limit what can be entered into a cell. However, creating rules using a formula allows you to enforce even more precise …

May 25, 2024 · Under the Data tab, select Data Validation from the Data Tools group. The Data Validation dialog box will pop out. Under the Settings tab, select Custom in the field Allow. …

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). …

Custom: In this option, we can create custom data validation in Excel. For example, entering the formula =EXACT (A1,UPPER (A1)) will allow users to enter only uppercase characters in cell …

Aug 20, 2025 · In this tutorial, we learned how to create powerful Excel Data Validation rules using multiple custom criteria. From combining AND/OR logic to validating against dates, …

Dec 5, 2025 · Data Validation in Excel moves beyond simple lists when you start using custom formulas. When you truly want to build advanced excel skills you learn how to use custom rules.

Aug 16, 2022 · We can write a custom formula in Data Validation can be used to ensure that the data in a cell only allows upper case text. NOTE: if you enter information into a cell that begins …

Jun 15, 2025 · Data validation can help control what a user can enter into a cell. You can use data validation to make sure a value is a number, a date, or to present a dropdown menu with …

May 24, 2018 · Custom data validation is especially useful when the normal data validation criteria options are insufficient, this way, formulas can be used to define the restrictions.