Hi

To remove duplicates in Excel, you can follow these steps:

Select the range of cells that you want to remove duplicates from.

Click on the "Data" tab in the top menu.

Click on "Remove Duplicates" in the "Data Tools" group.

In the "Remove Duplicates" dialog box that appears, make sure that all the columns you want to check for duplicates are selected.

Click on "OK" to remove the duplicates.

Note that Excel will automatically select all the columns in your data range. If you only want to remove duplicates based on specific columns, make sure to uncheck the columns you don't want to include in the duplicate check.

Also, be careful when removing duplicates, as this operation cannot be undone. It is a good idea to make a backup copy of your data before removing duplicates.