3950 ACE 1 Aggregate ACE is a compressed archive format, originally developed by Marcel Lemke and later by e-merge GmbH. Some relevant software includes Ace (for DOS, OS/2 and Windows console, WinAce, Active ACE and ACE Compression. 299 Brigham Young University / Brigham Young University 27 Nov 2025 27 Nov 2025 application/x-ace-compressed MIME fmt/2075 PUID ace File extension 3438 ACE Archive 1 BOF; Offset: 7; Magic Bytes: '**ACE**' followed by byte of either 0x0A, 0x0B, 0x0C or 0x0D and then either 0x0A, 0x0B, 0x0C, 0x0D or 0x14 1 Absolute from BOF 7 0 2A2A4143452A2A(0A|0B|0C|0D)(0A|0B|0C|0D|14)