LanguageIM
SunOS grey scale bitmap picture
File type: Bitmap image file
Files with im file extension can be mostly found as special grey scale files from SunOS operating system and other apps.
Found 2 different file type records with the same im filename suffix.
What is im file?
File type category:
Bitmap image file
Date updated: June 23, 2025
The im file extension is related to SunOS operating system where it is used for bitmap graphics in grey scale.
These files are sometimes also used by other programs, such as AOL Instant Messenger (AIM) and other.
Most likely some old format without support. No further information could be found.
How to open im file?
Some graphics viwers and editors can view this particular graphics formats.
How to convert im file?
Various raster files can usually be converted between various formats.
Suggested software to open im file:
Associated software actions with the im file
Software applications that can open im files:
SunOS (Linux/Unix)
Software applications that can edit im files:
SunOS (Linux/Unix)
Software capable of saving im files:
SunOS (Linux/Unix)
Programs for viewing im files:
SunOS (Linux/Unix)
XnView MP (Multiplatform)
Software apps that create im files:
SunOS (Linux/Unix)
Software apps that print im files:
SunOS (Linux/Unix)
XnView MP (Multiplatform)
Trainz Railroad Simulator indexed mesh
File type category:
Game file
Date updated: February 12, 2018
The im file extension is mainly related to Trainz computer game series and sued for indexed mesh files are used together with bitmap images to generate 3D models.
Over the years, different releases of Trainz have had different titles: Trainz, Trainz Railroad Simulator, Trainz UTC, TRS2004, TRS2006, Trainz Classics, TS2009 and TS2010 (the latest release). All support files with the .im file extension which is used together with bitmap images to generate three dimensional models for use in the game.
The file extension PM (progressive mesh) was used for the same purpose in the same game but is now obsolete, although most if not all Trainz releases will still open it.
How to open im file?
The *.im files are used for internal purposes of Trainz Railroad Simulator.
Suggested software to open im file:
Associated software actions with the im file
Software apps that create im files:
Trainz Railroad Simulator (Microsoft Windows)
Software applications that handle other tasks involving im files:
Trainz Railroad Simulator (Microsoft Windows)