# Specifying the Data Format

This section contains information about specifying data formats.

Parent topic: Data Portability

- Methods of Specifying the Data Format
- Environment Variable FORT_CONVERT.ext or FORT_CONVERT_ext Method
- Environment Variable FORT_CONVERTn Method
- Environment Variable F_UFMTENDIAN Method
- OPEN Statement CONVERT Method
- OPTIONS Statement Method
- Compiler Option -convert or /convert Method