Merge columns (Power Query) - Microsoft Support
support.microsoft.com › en-us › officeMerge columns (Power Query) Excel for Microsoft 365 Excel 2021 Excel 2019 Excel 2016 Excel 2013 Excel 2010. In Power Query, you can merge two or more columns in your query. You can merge columns to replace them with one merged column, or create a new merged column alongside the columns that are merged. You can only merge columns of a Text data type.