A daily updated filename extension database!

STMX file extension

The table below provides useful information about the .stmx file extension. It answers questions such as:

  • What is the .stmx file?
  • What program do I need to open a .stmx file?
  • How can the .stmx file be opened, edited or printed?
  • How can I convert .stmx files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ STELLA Model Data

STELLA Model Data .stmx file icon
The STMX file is a STELLA Model Data. STELLA Runtime is a simulation modeling environment that allows one to graphically capture the cause–effect relationships of a system that affect state variables.
STMX format description not yet available
Category: Data files
Application: Stella
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
STMX aliases:
STMX related links:
STMX related extensions:

STELLA Runtime

iThink Model Data

iThink Database

Stella4D Polyhedron Data

Other types of files may also use the .stmx file extension.

🚫 The .stmx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

smx, stkx, stm, stma, stx, tmx

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Prosa State Transition Diagram Model Data
Nanoeducator File
Scream Tracker Module
Stitch Vista Expanded Data
SysMetrix Skin
StockChartX Data
eXtendable Wad Editor STMA Data
Microsoft Exchange Streaming Media File
Delta Force Sound Text Xref Data

🔴 Can't open a .stmx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .stmx file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .stmx file extension, write to us!

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