EXCEL20 16, computer.

1, turn on the computer and find the software that clicks EXCEL20 16;

2. After opening the EXCEL software, in order to better demonstrate, first create and select the content with duplicate items in the document;

3. After selecting the content to be deleted, click the "Data" command in the toolbar above;

4. After selecting the data command, click "Delete Duplicates" below;

5. Click "Select All" and "Delete Duplicates" in the pop-up dialog box;

6. After selection and confirmation, the duplicate content in the form was successfully deleted, leaving one item.