How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.

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 …

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.

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

When shaping data, a common task is to keep or remove duplicate rows. The results are based on which columns you select as the comparison to determine duplicate values is based on the data …

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 …

Duplicate data often creeps in when multiple users add data to the Access database at the same time or if the database wasn't designed to check for duplicates. Duplicate data can be either multiple tables …

For example, if a column contains: The values 5, 6, 7, and 6, the result is three unique values — 5 , 6 and 7. The values "Bradley", "Doyle", "Doyle", "Doyle", the result is two unique values — "Bradley" …

For some email providers, the reason for the duplicates in the Sent Items folder is that their server automatically creates an item in the Sent Items... after which Outlook uploads the same item again.

Set the field's Indexed property to Yes (No duplicates) You can do this by opening the table in Design view. This method is easy and a good choice if you only want to change one field at a time.