FileInfo.com


.MAP File Extension


File Type 1 Image Map  (Most common)
File Format File
Common? No
File Description Server-side text file that defines areas of a Web page image that link to different locations; allows users to click on different parts of an image to open different pages.

MAP files are referenced by an .HTML Web page, but processed by the Web server.
Program(s) that open map files Mac / Windows: View in a Web browser; Edit with a text editor

File Type 2 Half-Life Map File
File Format Proprietary File
Common? No
File Description Game map created for Half-Life, a first-person shooter (FPS) video game; built using the Valve Hammer Editor; saved in a human-readable text-based format; may also be used for creating Quake and Quake II maps.

Valve Hammer Editor 4 saves map files in the newer .VMF format.

The Valve Hammer Editor was previously called "Worldcraft;" it is now commonly referred to "Hammer."
Program(s) that open map files Windows: Valve Hammer Editor or Worldcraft

File Type 3 Weather Defender Map
File Format Proprietary File
Common? No
File Description Weather map format used by Weather Defender, a weather monitoring system designed specifically for Emergency Management Professionals and First Responders; may contain custom geographic and reference layers.

Weather Defender maps can be saved to store custom configurations for forecasting severe weather; these maps can be quickly loaded to view custom weather forecasts.
Program(s) that open map files Windows: SWIFT Weather Defender

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/map