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Google Sheets tutorials›Data cleaning›Remove duplicate customers

Google Sheets · Verified tutorial

Remove duplicate customers in Google Sheets

Complete “Remove duplicate customers” in Google Sheets.

Verified by JosephineJuly 25, 2026About 40 seconds

Quick answer

Complete “Remove duplicate customers” in Google Sheets.

Step-by-step

1

Open the practice sheetUse the example data shown below so the result is easy to check.

2

Remove duplicate customersComplete “Remove duplicate customers” in Google Sheets.

3

Check the resultCompare the finished sheet with the expected result and correct the target range if needed.

Shortcut or faster method

Use the menu path shown in the video and keep the target range selected until the change is applied.

Expected result

The sheet reflects remove duplicate customers.

Common mistake

Starting with the wrong cell or range selected.

Troubleshooting

Undo the last change, reselect the intended range, and try again. The sheet reflects remove duplicate customers.

Video transcript

Open the prepared practice spreadsheet.
Open the practice sheet. Use the example data shown below so the result is easy to check.
Remove duplicate customers. Complete “Remove duplicate customers” in Google Sheets.
Check the result. Compare the finished sheet with the expected result and correct the target range if needed.
The sheet reflects remove duplicate customers.