Async Professional Fax
From Just Solve the File Format Problem
Async Professional Fax format (APF) is a fax image format associated with the Async Professional open source communications software (also known as Async Pro, AsyncPro, APRO).
APF files begin with signature bytes
41 50 46 31 30 1a (
- Some information about APF
- Async Professional 4 Reference Guide, Ch. 15, "Document Conversion" section
- Async Professional
- Reportedly supported by MightyFax, Fax2000, and Snappy Fax.