What is .HMX file?
Help documentation project created by Help & Manual version 4; saves help content and project settings; can be exported to a variety of formats, including HTML Help (.CHM), Winhelp (.HLP), .PDF, Visual Studio Help, Word documents, eBooks, or print manuals.
NOTE: Help & Manual version 5 uses .HMXZ and .HMXP files for projects.
Recommended Software Programs to open .HMX file
- EC Software Help & Manual