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Table.ColumnNames is a Power Query M function that retrieves the column names in a table as a list of text. The function returns a list of text containing the column names.

Compatible with: Power BI Service Power BI Desktop Excel Microsoft 365


Table.ColumnNames( table as table ) as list


Table.ColumnNames retrieves the column names of the table as a list of text values, listing every column in the table.


Find the column names of the table.

// Output: {"CustomerID", "Name", "Phone"}
    Table.FromRecords( {
        [CustomerID = 1, Name = "Bob", Phone = "123-4567"],
        [CustomerID = 2, Name = "Jim", Phone = "987-6543"],
        [CustomerID = 3, Name = "Paul", Phone = "543-7890"],
        [CustomerID = 4, Name = "Ringo", Phone = "232-1550"]
    } )

Learn more about Table.ColumnNames in the following articles:

Other functions related to Table.ColumnNames are:

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Microsoft documentation: