Turn Messy CSV Cleanup Into a Refreshable Flow
Apply a worked example for moving recurring spreadsheet cleanup into Power Query.
before-after common-trap walkthrough-steps A weekly supplier CSV arrives with two banner rows, text dates, product codes mixed with region suffixes, and cancelled orders mixed into active ones. Import -> transform -> refresh The common trap is fixing the file inside the worksheet every week because each individual cleanup run feels small. Import the raw file Bring the CSV into Power Query instead of cleaning the live worksheet directly. This keeps the raw input separate from the transformation logic. Remove non-data rows and promote headers Delete the banner rows, then promote the first real record row into headers. Now the file…
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