Duplicates aren’t bad, but you may need to know how many times a value is repeated or how many unique values are in a data range. Here’s how to tackle these tasks in Excel. Counting duplicate values ...

Business issues such as incorrect transactions, data entry errors, technical glitches and poor system design may cause duplicate values in your data sets. Duplicate values can exist across rows or in ...

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 ...