Files with fcm extension are used by the fCraft software. They include multiplayers data of Minecraft world.
FCM file extension - fCraft world file
What is fcm file? How to open fcm files?
File type specification:
The fcm file extension is associated with the fCraft open source server software used to host Minecraft Classic free to play multiplayer computer game. The .fcm file contains multiplayer Minecraft world.
The default software associated to open fcm file:
Company or developer:
fCraft.net
fCraft is game server application for Minecraft Classic free for play multiplayer computer game.
List of recommended software applications associated to the .fcm file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open fcm file, edit fcm file, convert fcm file, view fcm file, play fcm file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with fcm file - fCraft world file
Click on the software link for more information about fCraft. fCraft uses fcm file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).