What is .VDF file?
File format used by Valve's Source game engine; uses Valve's KeyValues format, which is a plain text format that saves key-value parameters in a tree hierarchy; used for various kinds of game metadata, including data for resources, installation scripts, configuration scripts, and visualization elements.
VDF files can often be seen when installing games distributed through Valve's Steam game client.
NOTE: You can view more information about Valve's KeyValues format on the KeyValues Wiki Page.
Recommended Software Programs to open .VDF file
- Valve Source SDK
- Microsoft Notepad
- Other Text Editor