Use Power Query When the Cleanup Will Happen Again
Explain why recurring spreadsheet cleanup should move into Power Query instead of staying as ad hoc manual edits.
One-off cleanup is a task. Repeatable cleanup is a system. Power Query is built for the second case. What Power Query changes It lets you define a repeatable sequence of transformations instead of clicking through the same cleanup actions by memory every cycle. Where AI still helps AI is useful for interpreting messy columns, explaining error states, and helping you articulate the transformation logic before you encode it. The decision rule If the source file or workflow will come back, move the cleanup into a query. That turns a manual ritual into a refreshable asset.
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