Select the range of cells that has duplicate values you want to remove. Tip: Remove any outlines or subtotals from your data before trying to remove duplicates. Select Data > Remove Duplicates , and then under Columns , check or uncheck the columns where …

You can filter for unique values to temporarily hide duplicate values, and you can remove duplicate values to permanently delete duplicate values. A duplicate value is one where all values in the row are an exact match of all values in another row.

In Excel, there are several ways to filter for unique values—or remove duplicate values: To filter for unique values, select Data > Sort & Filter > Advanced . To remove duplicate values, select Data > Data Tools > Remove Duplicates .

You can use the following methods to compare data in two Microsoft Excel worksheet columns and find duplicate entries. Method 1: Use a worksheet formula. Start Excel. In a new worksheet, enter the following data as an example (leave column B empty):

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

Or, if you want to remove duplicate rows, you can quickly do this by using the Remove Duplicates dialog box. At other times, you may need to manipulate one or more columns by using a formula to convert the imported values into new values.

In a data form, you can enter new rows, find rows by navigating, or (based on cell contents) update rows and delete rows. If a cell contains a formula, the formula result is displayed in the data form, but you cannot change the formula by using the data form.

Create and run a delete query. Click the Create tab > Query Design and double-click the table from which you want to delete records. Double-click the asterisk (*) to add all of the table fields to the query designer. Add the fields that you will use to identify the records for deletion.

You'll need to remove those duplicate field values from the table records before you can set and save the new unique index.

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