.cos2 file extension

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.cos2: Pinnacle Studio file. A .cos2 file is a file that Pinnacle Studio generates when working on media files (i.e. when Pinnacle Studio is used in edit mode). Each media file (for example .wma or .wmv) may have a corresponding .cos2 file. The .cos2 file contains information that allows Pinnacle Studio to continue from where it last left off working on a file.
These files can be deleted to save space. Pinnacle Studio will recreate them as necessary.

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Can you add to this? Do you know of any applications not already listed which will work with .cos2 files, view, or open .cos2 files? Are you able to contribute any additional reference or file format information about .cos2 files, or have you spotted any errors or omissions? If so then please let us know by emailing us at feedback@cryer.co.uk. Thank you.