Remove Duplicate Rows in Power Query M

Keeps only one copy of each identical row.

Row OperationsBeginnerduplicatesdistinctrows

Power Query M code

let
    Source = YourTable,
    RemovedDuplicates = Table.Distinct(Source)
in
    RemovedDuplicates

Notes

To de-duplicate by specific columns only, use Table.Distinct(Source, {"ColumnA", "ColumnB"}).

Requirements

A table that may contain exact duplicate rows.

How to use this snippet

In Power BI Desktop, choose Transform data to open Power Query, then open the Advanced Editor on a query (or start from a blank query).
Paste the snippet and replace the placeholder names (tables, columns, file paths) with your own. Check the requirements above first.
Run it through the Power Query M Formatter to tidy the layout.

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