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    Data validation in Excel allows you to control what data can be entered into a cell, ensuring accuracy and consistency in your spreadsheets.

    Steps to Set Up Data Validation

    1. Select the Cells: Highlight the cell or range of cells where you want to apply data validation.
    2. Choose Validation Criteria: Under the Settings tab, select the type of validation you want to apply from the Allow dropdown menu. Here are some common options:
    3. 2 Sources
    • Whole Number: Restrict entries to whole numbers within a specified range.
    • Decimal: Allow only decimal numbers within a certain range.
    • List: Create a dropdown list of acceptable entries.
    • Date: Limit entries to a specific date range.
    • Time: Restrict entries to a specific time range.
    • Text Length: Set a limit on the number of characters allowed in a cell.
    • 2 Sources
    1. Finalize: Click OK to apply the data validation rules to the selected cells.
    2. 4 Sources

    Benefits of Data Validation

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  1. Data validation in Excel: how to add, use and remove - Ablebits

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