With Filestar you get 11 different skills for working productively with Gamma Fax (.gmf) files.
About .Gmf
Name
Gamma Fax
Extension
.gmf
Format
Binary
Category
Fax
Developer
GammaLink
Description
The GMF file format, short for Gamma Fax, is primarily associated with fax documents. It was used by GammaFax, an older faxing software system developed by GammaLink. GMF files contain fax images or documents that were either sent or received using the GammaFax system. This format belongs to a class of specialized file types designed for storing fax data in a digital format, facilitating the transmission and archiving of fax communications electronically.