The .cvr file extension is most commonly associated with electronic fax software applications. A variety of electronic fax software programs use the .cvr file extension for the cover sheet files created with the application. Popular e-faxing programs that use the .cvr file extension include ElectraSoft Fax, Bitware and WinFax.
The .cvr file extension is also used for Microsoft Office files.
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If you have additional information about the CVR file format or software that uses files with the CVR suffix, please do get in touch - we would love hearing from you.