How to remove duplicates in Microsoft Excel to clean up data in individual or multiple columns

You can remove duplicates in Excel in a few steps. Duplicates can create problems when you're dealing with data.
MrExcel on MSN

Clean Up Your Excel Sheet Fast — Delete Blank Columns in Seconds!

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 ...

How to split cells into columns in Microsoft Excel using the 'Text to Columns' feature

You can split cells into columns in Excel using the "Text to Columns" tool, which is a great way to organize lots of data.
TechRepublic

Use Excel data validation to prevent duplicate values in a column

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...