Is Excel's Clean Data button the ultimate time-saver for messy spreadsheets? Find out how it works, its quirks, and how it compares to Power Query ...

Q. What is the best way to identify duplicate transactions that could have been entered into my Excel spreadsheet? A. Duplicates in spreadsheets can compromise data integrity, making it difficult to ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...