Web Reference: This is an advanced topic on data validation. For an introduction to data validation, and how to validate a cell or a range, see Add data validation to a cell or a range. Oct 11, 2025 · Whether you want to restrict data inputs, ensure consistency, or avoid errors, data validation in Microsoft Excel is the tool for you. It can also serve as a vital safety net if you plan to share your workbook with people who are new to Excel or unfamiliar with your spreadsheet. Apr 5, 2023 · The tutorial explains how to do Data Validation in Excel: create a validation rule for numbers, dates or text values, make data validation lists, copy data validation to other cells, find invalid entries, fix and remove data validation.
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