.MCF File Extension

File saved by MasterCook versions 2, 3, and 4, a program used store and manage recipes; contains cookbook data such as ingredients, directions, and other cooking information; used to save and load all recipes.

MCF files can be converted into .MC2 files using MasterCook versions 5 and 6.

File used by Watchtower Library, a program that allows users to browse a library of information provided by Jehovah's Witnesses; contains imported definitions for information such as fonts and languages.