ACE (compressed file format)
| Filename extension | 
.ace | 
|---|---|
| Internet media type | 
application/x-ace-compressed | 
| Developed by | e-merge GmbH | 
| Initial release | July 22, 1999 | 
| Type of format | data compression | 
In computing, ACE is a proprietary data compression archive file format developed by Marcel Lemke, and later bought by e-merge GmbH. The peak of its popularity was 1999–2001, when it provided slightly better compression rates than RAR, which has since become more popular.