A vmx file extension is related to the Hammer Editor (WorldCraft) for Source Engine. A vmx file contains map backup.
VMX file extension - Source engine map backup
What is vmx file? How to open vmx files?
File type specification:
The vmx file extension is associated with WorldCraft (Hammer Editor) and Source SDK, a development tools for Source video game engine.
The vmx file contains backup of map from these programs.
The default software associated to open vmx file:
Company or developer:
Valve Corporation
Valve Hammer Editor is Valve Software's map creation program for their game engine - Source engine.
The current version supports both Source and GoldSrc, and can only be accessed via a free download of the Source engine SDK.
Company or developer:
Valve Corporation
Worldcraft is a graphical level editor you can use to make your own maps for Valve Software's Half-Life. It is now known as Valve Hammer Editor.
Company or developer:
Valve Corporation
Source SDK is free development environment used to create mods and content for the Source 2006, Source 2007 and Source 2009 engine branches and related video games, like Half-Life 2, Dota 2, Team Fortress 2, Left 4 Dead, Portal, etc.
List of software applications associated to the .vmx file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open vmx file, edit vmx file, convert vmx file, view vmx file, play vmx file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting vmx files.
Software which is able to fix, repair or recover vmx file - Source engine map backup
Programs supporting the exension vmx on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for recover vmx file action.
Microsoft Windows:
Main software associated with vmx file by default:
Valve Hammer Editor
WorldCraft
Source SDK