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CSV ODS
Free online converter

Convert CSV to ODS

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CSV to ODS converterFREE
Drop a .CSV file here
or pick one - we convert it to .ODS and give you the file to download

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert CSV to ODS

  1. Add your .CSV file - drop it in the box above or click to browse.
  2. Convert it to .ODS in a few seconds.
  3. Download your new .ODS file.

What to expect

  • Leading zeros in fields like ZIP codes or phone numbers may be stripped on import - in the LibreOffice import dialog, set the column type to Text to preserve them.
  • No formulas are reconstructed: CSV holds only plain values, so the .ods file starts as flat data you can then format and extend.
  • If all data appears in one column, the delimiter is wrong - switch from comma to semicolon, which is common in files exported from European-locale software.

Frequently asked questions

Can I convert multiple CSV files to ODS at once?
Yes - run soffice --headless --convert-to ods *.csv and LibreOffice converts every .csv in the folder to a separate .ods file.
Why did my leading zeros disappear after conversion?
LibreOffice treated the column as a number and dropped the zero. In the Text Import dialog, click the column and set its type to Text before confirming.
Is the ODS file fully editable after conversion?
Yes - ODS is a live spreadsheet format; all values remain editable and you can add formulas, formatting, and extra sheets.
Can Microsoft Excel open the resulting ODS file?
Recent versions of Excel 365 can open .ods files, though some advanced features may not transfer perfectly in both directions.
Learn about the formats: .CSV · .ODS
Programs that convert CSV: Microsoft Excel · IBM Lotus Symphony · NeoOffice · OpenOffice.org Calc · LibreOffice Calc · Google Sheets