The most common technical use for .amb is an AIMMS Model File, which stores procedures, declarations, and core functions for the AIMMS optimization software.
A retro hypertext documentation format designed to be viewed on very old PCs. AMB.7z
Since the file has a .7z extension, it is a compressed container. To view the "full piece" (the actual content inside): Get the official tool from 7-zip.org . The most common technical use for