DRVF file extension - FaxSTF driver file
What is drvf file? How to open drvf files?
File type specification:
The DRVF file extension is associated with the FaxSTF a tool for Apple Mac OS X operating system that allows users to send and receive faxes from their computer. The *.drvf file stores driver used by Smith Micro FaxSTF.
FaxSTF is obsolete product. The last version is available for OS X 10.5.