What is a vdf file and how do I open a vdf file?
A VDF is a data file used by AntiVir, an antivirus application for Windows. VDF saves virus definitions, which contain signatures that are used for recognizing viruses on the computer system. It is often downloaded during software updates so the software can check for new viruses. VDF files are saved to the AntiVir installation directory.
Relevant vdf file links:How to open vdf file on Youtube
How to open vdf file on Wikipedia
How to open vdf file on Microsoft.com