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PowerISO Direct-Access-Archive
File type: Disk image (ISO) binary file
Files with daa extension are disk images in a proprietary format used by PowerISO similar to ISO format. DAA images can only be accessed with PowerISO, no other programs support them. They can be however converted to common ISO files with the DAA2ISO utility.
File type category:
Disk image (ISO) binary file
Date updated: July 13, 2025
File extension daa is most like best known for it use for a CD/DVD disk image format, which supports some advanced features, such as compression, password protection, and splitting to multiple volumes (similar to .RAR and other compression formats).
Direct Access Archive, or daa file, is a proprietary file format for disk image files which supports advanced features such as compression, password protection, and splitting to multiple volumes.
It can be handled directly just like other formats, such as an ISO image and BIN, but is currently only usable by PowerISO software. Popular disk image mounting programs such as Alcohol 120% and DAEMON Tools currently do not support the mounting of DAA images.
Advantages of DAA file format:
Disadvantages of DAA file format:
Use PoweISO to open and work with the *.daa files.
If you want create another image format for your *.daa file , the easiest solution would probably be to extract files from *.daa image file and then use some disk tool to create disk image of format you prefer.
There is also available free tool called DAA2ISO - program for converting the DAA files (Direct Access Archive, used by PowerISO) to ISO, supports multipart files too. On Windows the tool works from both command-line and GUI.
The PowerISO supports other disk image formats such as BIN/CUE, UIF, DMG, MDF/MDS, ASHDISC, BWI/B5I, LCD, IMG, CDI, CIF, P01, PDI, NRG, NCD, PXI, GI, FCD, VCD, C2D, BIF and etc. PowerISO can convert DAA PowerISO Direct-Access-Archive file into one of these disk formats. Also it can burn this disk images formats on CD/DVD medium.
Software apps that create daa files:
Microsoft Windows
Software apps that convert daa files:
Apple macOS / Mac OS X
Software apps that import daa files:
Apple macOS / Mac OS X
Software apps that extract daa files:
Microsoft Windows
Apple macOS / Mac OS X
Do you want to convert common disk image formats like NRG, MDF, UIF, BIN, DAA, DMG to standard ISO i...
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