# biom-format.org

## BIOM Documentation

These pages provide format specifications and API information for the BIOM table objects.

- The biom file format
  - The biom file format: Version 1.0
  - The biom file format: Version 2.0
  - The biom file format: Version 2.1
- Tips and FAQs regarding the BIOM file format
  - Motivation for the BIOM format
  - File extension
- Converting between file formats
  - General usage examples
  - Special case usage examples
- Adding sample and observation metadata to biom files
  - Adding metadata
  - Processing metadata while adding
  - Renaming (or naming) metadata columns while adding
- Summarizing BIOM tables
  - Summarizing sample data
  - Summarizing sample data qualitatively