How to Delete Identical Rows in a MS Excel Worksheet
PROBLEM: Your MS Excel worksheet (see below) contains hundreds of identical rows and you’d like to delete them without spending hours to search and identify them.
1) Select all the rows in your worksheet, including the column headers (if any).
2) Click and select the DATA tab on the ribbon.
3) In the Data Tools group, click the the Remove Duplicates button and you’re done!
MS Excel has removed 16 duplicate values, leaving you with 8 unique values.