OV1 file extension is for Overlay file part of program to be loaded when needed
Similar to OV1
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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