CCITT file extension is for CCITT Group 3 and Group 4 Encoding
Similar to CCITT
A3K - Yamaha A3000 Sampler FileA3L - Authorware Version 3.x Library
A41 - Authorware Version 4.x Library
A4L - Authorware Version 4.x Library
A4P - Authorware File Without Runtime
A5W - Unpackaged Authorware Windows File
A60 - Roland Garros Tennis MVTS File
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