against opening ACE archives in WinRAR and possibly other products using this library. WinRAR stopped supporting ACE as of version 5.70, and similar products are following suit. See also Comparison of archive formats Comparison of file archivers List of archive formats External links Official Website - Web Archive Snapshot from 14.07.2017 Download link for last Version 2.69i - Web Archive Snapshot from 21.01.2011 References Archive formats