# Overview In general, an **open file format** is a file format that is publicly documented and standardized, allowing it to be freely used, implemented, and supported by a wide range of software systems and platforms without restrictions. There is a subset which specialize in storing data in columnar formats, which are optimized for analytics. # Key Considerations # Implementation Details ## Types of Open File Formats - [[Apache Parquet]] - [[Apache Avro]] - [[ORC]] # Useful Links # Related Topics ## Reference #### Working Notes #### Sources