Robuta

https://support.microsoft.com/en-us/office/keep-or-remove-duplicate-rows-power-query-d9cffc69-dc5d-4d94-8b66-72779688874d?utm_source=chatgpt.com
Removes all rows from a Power Query table, in the Query Editor, where the values in the selected columns duplicate earlier values.
remove duplicate rowspower querymicrosoft supportkeep