1A 09

LH archive (old vers.-type 5)

category: file-signature
normalized: 1a09
confirmed: 2026-03-15
lookups: 1
source: https://www.garykessler.net/

LH archive (old vers.-type 5). File extension(s): ARC. Kessler type: Compressed archive.

Similar magic numbers

value	name	category
1A 03	LH archive (old vers.-type 2)	file-signature
1A 02	LH archive (old vers.-type 1)	file-signature
1A 04	LH archive (old vers.-type 3)	file-signature
1A 08	LH archive (old vers.-type 4)	file-signature
1A 0B	Compressed archive file	file-signature