Select Data > Remove Duplicates, and then under Columns, check or uncheck the columns where you want to remove the duplicates. For example, in this worksheet, the January column has price …

To remove duplicate values, select Data > Data Tools > Remove Duplicates. To highlight unique or duplicate values, from the Home tab, use the Conditional Formatting command in the Style group.

Note: You cannot remove duplicate values from data that is outlined or that has subtotals. To remove duplicates, you must remove both the outline and the subtotals first. Select one or more of the check …

Removes all rows from a Power Query table, in the Query Editor, where the values in the selected columns duplicate earlier values.

You can use the following methods to compare data in two Microsoft Excel worksheet columns and find duplicate entries.

How to count the number of unique values in a range that contains duplicate values in Excel.

Importing calendar items might result in duplicate items. You can delete the duplicate calendar items.

Duplicate data often creeps in when multiple users add data to the database at the same time or if the database wasn't designed to check for duplicates. It is easier to use a query when you want to delete …

After you locate duplicate records, you can either edit or Delete duplicate records with a query. To locate duplicate records from multiple tables, create a union query.

In the Field Properties pane at the bottom of the table design view, on the General tab, set the Indexed property to Yes (No duplicates). Save the changes to your table.