Program for converting the DAA and GBI files ("Direct Access Archive" used by PowerISO and gBurner) to ISO.
on Windows the tool works from both command-line and GUI (double-click on daa2iso.exe).
This tool supports multi part files too.

The DAA2ISO application was designed to be an open source command-line/GUI tool that will help you convert single and multipart DAA file images to the original ISO format.

The DAA image (Direct Access Archive) in fact is just a compressed ISO which can be created through the commercial program PowerISO.

The license of this software is Freeware, you can free download and free use this cd utility software.