ACE

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:''For another "Ace" format, see [[Ace Film]].''
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:''For another "Ace" format, see [[Ace Film]]. For files starting with "ACE!", see [[ByteKiller]].''
  
 
'''ACE''' is a compressed archive format. It was originally developed by Marcel Lemke, later by e-merge GmbH.
 
'''ACE''' is a compressed archive format. It was originally developed by Marcel Lemke, later by e-merge GmbH.

Latest revision as of 19:17, 17 October 2026

File Format
Name ACE
Ontology
Extension(s) .ace, .cxx
PRONOM fmt/2075, fmt/2076
Wikidata ID Q288256
Released 1997
For another "Ace" format, see Ace Film. For files starting with "ACE!", see ByteKiller.

ACE is a compressed archive format. It was originally developed by Marcel Lemke, later by e-merge GmbH.

Related software includes Ace (for DOS, OS/2, and Windows console), UnAce, WinAce, XAce Plus, MacUnace, UnACE.DLL, ActiveACE, ACE Compression Library (ACL). At least one version of UnAce is open source.

Version 2 of the format introduced new compression schemes that are not supported by all ACE decompression software.

Split archives typically contains the extension .c<num><num>, where <num> is an integer that starts from 01, e.g. .c01.

Contents

[edit] Identification

Files have 2a 2a 41 43 45 2a 2a which corresponds to the ASCII "**ACE**" at offset 7.

[edit] Specifications

[edit] Software

[edit] Sample files

[edit] Links

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