803 BinHex Binary Text Aggregate BinHex or Binary to Hexadecimal is a text encoded system primary used for Macintosh Classic systems when transferring over email and for transferring online. The file can include the data and resource fork of a file along with original names, type, and creator. It can be combined with MacBinary, Stuffit and others. Encoding uses a 16-bit CRC for validation. Text 1 Digital Preservation Department / The National Archives 02 Dec 2010 04/2024 (v.118)- Signature modified to increase max-offset by 4k, beginning and ending colon added for conformance to specification. Description, notefield and MIME type updated. Submitted by Brigham Young University. 15 Apr 2024 application/mac-binhex40 MIME x-fmt/416 PUID hqx File extension 339 BinHex Binary Text BOF; Offset:0-4084; Magic Bytes: '(This file must be converted with BinHex' and in 6-9 bytes 0x3A; EOF; Offset: 64; Magic Bytes: 0x3A 1 Absolute from BOF 0 4084 28546869732066696C65206D75737420626520636F6E76657274656420776974682042696E486578{6-9}3A 1 Absolute from EOF 0 64 3A