PUBKR file extension is for Public key ring PGP
Similar to PUBKR
A3 - Unrelated Inventions Audiotools Show LogA3D - Amapi 3D Modeling File
A3K - Yamaha A3000 Sampler File
A3L - Authorware Version 3.x Library
A41 - Authorware Version 4.x Library
A4L - Authorware Version 4.x Library
A4P - Authorware File Without Runtime
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