.COS2 File Extension

Pinnacle Studio Cache File

Developer Pinnacle Systems
3.7  |  6 Votes

What is a COS2 file?

Temporary file created by some versions of Pinnacle Studio, a program used for editing videos; stores information for a specific resource, such as a .WMV or .WMA file; generated automatically by Pinnacle Studio when in edit mode.

More Information

COS2 files can be safely deleted. Pinnacle Studio will regenerate them the next time a project is edited.

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Programs that open or reference COS2 files


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