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Merging Several CSV Files into One

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Key points
  • Choose several CSV files
  • Choose "Merge into one"
  • Save

With Merge and Split CSV Files you can combine files into one CSV without repeating the header.

Steps

  1. Select all the CSV files to combine
  2. Choose "Merge into one" and check "The first row is a header"
  3. Tap "Run and save"
Make the column order the same before merging.
Use "Merge, Split and Pick Columns from CSV" (free)

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