This guide provides tips and tricks on how to easily clean your data in Excel to minimize errors and present your findingsin a clear and ...

Excel provides tools to maintain data integrity and prevent errors: Data Validation: Restrict inputs to predefined options using dropdown lists, reducing the likelihood of incorrect entries.

Learn how to create a drop-down list using Data Validation in Excel. Data Validation limits the type of data that can be entered into a cell.

Susan Harkins shows you a quick method for removing validation rules for multiple ranges in Excel, at the same time.

Duplicate entries may be valid -- but when they aren't, they can derail your summaries and totals. Use Excel's Validation feature to reject duplicate entries.

When you update this spreadsheet with new or different data, you won’t have to re-create the validation rule, but you will need to click Circle Invalid Data again. This tool would be useful to bring ...