Direct Access Archive (DAA) is a disk image format that's currently unsupported on OS X.
DAA Converter is a free utility which allows you to access the contents of a DAA image file by converting it to ISO disk image format; The converted ISO disk image can be mounted as a readable volume on your Mac by double-clicking it.
DAA Converter is a native OS X GUI application which wraps the command-line tool, daa2iso, by Luigi Auriemma.
It runs on OS X 10.3 Panther or later, and does not currently support password-protected DAA files.
DAA Converter is free software, distributed under the GNU General Public License (GPL).
Download DAA Converter's source code.