This article describes, how to merge all columns in Power Query – not referencing their names.

The Custom column syntax looks like this:

= Text.Combine(


  • _ Underscore takes the record, containing values in row
  • Record.FieldValues (_) creates list from it
  • List.Transform takes this list and makes texts from its values. If you are sure that values are text only, you don´t have to use List.Transform
  • Text.Combine takes the modified list and merges its values, using comma

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