A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Yes, you can. From multiple sheets in a workbook, from multiple workbooks or multiple other sources ...
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https://www.youtube.com/watch?v=sLW3NbeGDy8
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Simplest if they have the same structure:
https://trumpexcel.com/merge-tables/
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https://trumpexcel.com/combine-multiple-worksheets/
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From multiple files:
https://www.howtoexcel.org/how-to-import-multiple-files-with-multiple-sheets-in-power-query/
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PowerQuery is just that, POWERFUL! What you can do with it is limited mainly by your imagination. Breaking your end result into small, logical steps. Sometimes the intermediate steps require "twisted" logic.. Oz du Soleil is really creative when it comes to using PowerQuery: https://www.youtube.com/channel/UCZgOVykPoRbSZQfY9YysiRQ