Compare XLSX vs. ODS vs. FODS: The Ultimate Open Format Showdown
Last Updated: 01 Dec, 2025
In the world of spreadsheets, most of us just click “Save” without a second thought. But behind that simple action lies a critical choice: which file format should you use? While the default might be Microsoft Excel’s XLSX, a new era of open-source software has brought powerful alternatives like ODS and FODS into the spotlight.
Choosing the right format isn’t just about compatibility; it’s about data integrity, future-proofing, and accessing advanced features.