1425 LHA File Format Aggregate LHA is a freeware compression utility and associated file format. It was created in 1988 by Haruyasu Yoshizaki, and originally named LHarc. 195 Artefactual Systems Inc / Artefactual Systems Inc 14 Feb 2014 14 Feb 2014 fmt/626 PUID lha File extension lzh File extension 959 LHA File Format BOF 2 byte offset: === -lh(0|1|4|5|6|7|d)- 1 Absolute from BOF 2 2D6C68(30|31|34|35|36|37|64)2D