Open a21 file
Did your computer fail to open a21 file? We explain what a21 files are and recommend software that we know can open your a21 files.
What is a21 file?
An a21 file extension is related to the Soundweb and used for its firmware data.
a21 file description
The a21 file extension is associated with Soundweb, a programmable DSP system for Microsoft Windows operating system, developed by BSS Audio.
The .a21 files contain firmware update data for Soundweb.