Product guide · 6 min read

Excel “Save As CSV” on Windows: locale and encoding gotchas

Regional list separators and ANSI vs UTF-8 saves, why a second opinion in a browser viewer helps.

Published March 21, 2025 · Table

Excel may use semicolon separators when Windows locale expects it, breaking comma-first pipelines. Explicitly choose CSV UTF-8 when available and confirm delimiter in a neutral viewer.

Tip

  • Document OS locale in handoff notes for offshore partners.
  • Prefer Power Query or controlled exports for repeat jobs.

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