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.

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.

How to remove duplicates in Excel Now that you know which values in your spreadsheets are duplicates, you can remove them. You could simply hide the columns, but permanent deletion may be preferable.