Removing Duplicates In Excel. First, click on any cell or a specific range in the dataset from which you want to remove duplicates. 3 suitable methods to remove duplicates from column in excel 1.

To delete duplicate rows that have completely equal values in all columns, leave the check marks next to all columns, like in the screenshot below. Range( “ a1:c8 ”).removeduplicates columns: Public class person { public int id { get;