Searching through modding databases and developer repositories yields no results for this specific filename. This usually indicates that: It is a intended for a specific group.
It may be a custom modification for a game involving "IF" (possibly Infinite Flight , Interactive Fiction , or a specific character/franchise acronym). ifdevmod.rar
on where you found this file or which game/application it is supposed to be for? Knowing the source would help in identifying if it's a legitimate tool. ifdevmod.rar