Learning how to remove numbers in Excel from the left is a neat trick to automate subtracting unwanted digits. You can use this in cases where you want to delete area codes from phone numbers etc.

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.

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

How to remove duplicates in Excel for a single column When you have duplicate data that you want to remove from a single column in your dataset, start by clicking into the column you want to dedupe.