You can remove leading, trailing, and extra spaces between characters and numbers in Excel using TRIM(), SUBSTITUTE() or Find and Replace.

Want to delete or truncate numbers to the left in Excel? Learning how to remove numbers in Excel from the left is a neat trick to automate subtracting unwanted digits.

Removing these spaces can help the Remove Duplicates tool to better detect the duplicate values you want to remove. Think you know how to use Excel?

However, Excel's random number functions are volatile, meaning they change constantly. In this article, I'll show you how to generate and fix random numbers and remove duplicates.