Train Simulator marker data
File type: Game file
An mkr file extension is related to the Train Simulator, a train simulation computer game.
Found 2 different file type records with the same mkr filename suffix.
File type category:
Game file
Date updated: June 19, 2018
The mkr file extension is associated with the Train Simulator, a train driving simulation computer game for Microsoft Windows operating system developed by Microsoft Studios.
The mkr file stores marker files.
You cannot open this file type manually, it is accessed by the game automatically.
These games files cannot be converted to anything else. However, sometimes modding.
Software applications that handle other tasks involving mkr files:
Microsoft Windows
File type category:
Various data file
Date updated: October 2, 2026
McCullough Knowledge Explorer is the software associated with MKR files. An MKR file contains knowledge representation data used by that software.
McCullough Knowledge Explorer appears to be obsolete and is no longer supported by its developer or producer. The format may therefore be difficult to use on current systems.
Open an MKR file with McCullough Knowledge Explorer, if the original software is available.
Language
