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MDL file format description

MDL file format

We made this page to help you understand how to work with MDL files. Here, you can find info on software that can handle these files. It includes simple programs for opening and converting them.

Learn about the MDL file and its functions here!

We also explain how to convert them into other types. It's simple and hassle-free. For opening or changing MDL files, this page offers all the tools you need.

#1 3D Gamestudio Model Data

The MDL file is categorized under Development. It is associated with 3D Gamestudio, serving as a 3D Gamestudio Model Data. 3D Gamestudio is an authoring system for interactive 2D and 3D games. A map entity has a file extension of WMB and was originally created in the Level Editor. Visit the website of 3D Gamestudio for a detailed description of the MDL format.

Application:3D Gamestudio
Category:Development files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

3D Gamestudio Model Data related extensions

  • kt Kotlin Source Code
  • dlk Transputer Development System Occam Compiler Link Info
  • fdt FlashDevelop Template
  • nut Squirrel Source Code

#2 Cognos Exported Model Data

The MDL file is categorized under Data. It is associated with Cognos, serving as a Cognos Exported Model Data. Cognos is a world leader in Business Intelligence solutions that improve and direct corporate performance. Visit the website of Cognos for a detailed description of the MDL format.

Application:Cognos
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Cognos Exported Model Data related extensions

  • cpf Cognos Framework Manager Project
  • lac Cognos Local Authentication Cache
  • lae IBM Cognos Local Authentication Export
  • mdc Cognos Cube File

#3 Symbian OS MIME Type Library

The MDL file is categorized under Data. It is associated with SymbianOS, serving as a Symbian OS MIME Type Library. Symbian is a discontinued mobile operating system (OS) and computing platform designed for smartphones It seems that SymbianOS is no longer supported by the maker.

Application:SymbianOS
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Symbian OS MIME Type Library related extensions

  • aif Symbian OS Application Information
  • arc Symbian OS Backup Archive
  • cdb Symbian OS Phonebook Data
  • fil Symbian OS Application Logo

#4 Valve Source Model Data

The MDL file is categorized under Development. It is associated with Valve Source SDK, serving as a Valve Source Model Data. MDL is the extension for Source's proprietary model format. It defines the structure of the model along with animation, bounding box, hit box, material, mesh and LOD information. The Source engine is a 3D game engine developed by Valve Corporation. It debuted in October 2004 with Half-Life 2. Visit the website of Valve Source SDK for a detailed description of the MDL format.

Application:Valve Source SDK
Category:Development files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Valve Source Model Data related extensions

  • igz Intrinsic Alchemy Asset
  • xact XactCommerce XactScript
  • rbres RealBasic Resource Data
  • rplib Axure RP Widget Library

#5 Animation Master Model Data

The MDL file is categorized under Data. It is associated with Animation Master, serving as an Animation Master Model Data. Animation Master is a 3D character animation application offered by Hash. Visit the website of Animation Master for a detailed description of the MDL format.

Application:Animation Master
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Animation Master Model Data related extensions

  • dys SwordSearcher Daily Devotional Data
  • ech EasyChem Save
  • ssf Smokeview Script Data
  • stam STAToolkit Metadata

#6 Digitrakker Music Module

The MDL file is categorized under Audio. It is associated with Awave Studio, serving as a Digitrakker Music Module. Prodatron Digitrakker is a music program for PC, it runs under MS-DOS and requires a Soundblaster or a Gravis Ultrasound card. Visit the website of Awave Studio for a detailed description of the MDL format.

Application:Awave Studio
Category:Audio files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Digitrakker Music Module related extensions

  • sfa Sonic Foundry Audio File
  • x0v Yamaha Motif XS Voice Data
  • bcstm Nintendo 3DS BCSTM Audio
  • ptm PolyTracker Music Module

#7 IBM Rational Rose Model Data

The MDL file is categorized under Data. It is associated with IBM Rational Rose, serving as an IBM Rational Rose Model Data. The IBM Rational Rose is a visual modeling tool for software development using UML. Visit the website of IBM Rational Rose for a detailed description of the MDL format.

Application:IBM Rational Rose
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

IBM Rational Rose Model Data related extensions

  • scmt GXS Application Integrator XML Constraint
  • zkn Adobe RoboHelp WebHelp Skin Definition
  • ontx theWord Encrypted Bible Text Module
  • umdl Alexa Voice Service Universal Model Data

#8 ASTi Model Builder Model Data

The MDL file is categorized under Data. It is associated with ASTi Model Builder, serving as an ASTi Model Builder Model Data. ASTi Model Builder is a digital audio software used for sound model generation. Visit the website of ASTi Model Builder for a detailed description of the MDL format.

Application:ASTi Model Builder
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

ASTi Model Builder Model Data related extensions

  • spl7 Abacom sPlan 7 Circuit Diagram
  • vec Movie.BYU Vector Results Data
  • pr4 CheckMark Payroll Employer Checks Data
  • ss6 SKM Power Tools SAB Table information

#9 DB-MAIN Method Definition Data

The MDL file is categorized under Data. It is associated with DB-MAIN, serving as a DB-MAIN Method Definition Data. DB-MAIN is a graphical CASE tool that supports most database engineering processes. Visit the website of DB-MAIN for a detailed description of the MDL format.

Application:DB-MAIN
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

DB-MAIN Method Definition Data related extensions

  • ana DB-MAIN Analysis Assistant Script Data
  • anl DB-MAIN Analysis Assistant Library Data
  • dic DB-MAIN Generated Report
  • isl DB-MAIN Import/Export Text Data

#10 Simulink Model

The MDL file is categorized under Document. It is associated with Simulink, serving as a Simulink Model. Mathworks Simulink is a platform for multidomain simulation and Model-Based Design for dynamic systems. Visit the website of Simulink for a detailed description of the MDL format.

Application:Simulink
Category:Document files
Mime-type:application/x-simulink-mdl
Magic:- / -
Aliases:-

Simulink Model related extensions

  • mdlp Simulink Protected Model
  • mldatx Simulink Simulation Data Inspector Session Data
  • sldd Simulink Data Dictionary
  • slddc Simulink Data Dictionary Cache

#11 Microsoft Flight Simulator Model Data

The MDL file is categorized under Game Data. It is associated with Microsoft Flight Simulator, serving as a Microsoft Flight Simulator Model Data. Microsoft Flight Simulator is a flight simulator game developed by Microsoft. Visit the website of Microsoft Flight Simulator for a detailed description of the MDL format.

Application:Microsoft Flight Simulator
Category:Game Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Microsoft Flight Simulator Model Data related extensions

  • asg Airport Tycoon Saved Game
  • sqh Harbinger Game Data
  • whd Hitman Game WHD Data
  • ham Descent 2 HAM Resource

#12 Lectra Clothing Design Model

The MDL file is categorized under Data. It is associated with Lectra Clothing Design, serving as a Lectra Clothing Design Model. Lectra Clothing Design is a clothing design tool for Microsoft Windows. Visit the website of Lectra Clothing Design for a detailed description of the MDL format.

Application:Lectra Clothing Design
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Lectra Clothing Design Model related extensions

  • dstyle Magic Display Style Data
  • jd Doclava Javadoc Template
  • off Geomview Binary OFF Data
  • fmc FME Desktop Catalog Data

#13 Moray 3D Model

The MDL file is categorized under Data. It is associated with Moray, serving as a Moray 3D Model. Moray is an interactive wireframe modeller for Microsoft Windows. Visit the website of Moray for a detailed description of the MDL format.

Application:Moray
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Moray 3D Model related extensions

  • udo Moray UDO 3D Data

#14 Men of War: Assault Squad 2 Model Data

The MDL file is categorized under Game Data. It is associated with Men of War: Assault Squad 2, serving as a Men of War: Assault Squad 2 Model Data. Men of War: Assault Squad 2 is a real-time strategy game set in World War II. Visit the website of Men of War: Assault Squad 2 for a detailed description of the MDL format.

Application:Men of War: Assault Squad 2
Category:Game Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Men of War: Assault Squad 2 Model Data related extensions

  • exs Blades of Exile Scenario Data
  • dsl Critical Seeker Picture Packet
  • rpf Grand Theft Auto V Game Archive
  • s2ml StarCraft 2 Map Localization Data

#15 Mighty Draw DOS Library

The MDL file is categorized under Data. It is associated with Mighty Draw, serving as a Mighty Draw DOS Library. Mighty Draw is a powerful and easy-to-use drawing program. The library feature provides quick and easy access to multiple libraries containing hundreds of symbols. Visit the website of Mighty Draw for a detailed description of the MDL format.

Application:Mighty Draw
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Mighty Draw DOS Library related extensions

  • bss Bridge Base Online Data
  • mrf Mapped Read Format Data
  • pvv Power Vision WinPV Data
  • properties LinkAssistant Properties Data

#16 Bentley MicroStation MDL Program

The MDL file is categorized under Data. It is associated with Bentley MicroStation, serving as a Bentley MicroStation MDL Program. Bentley System Microstation is a 3D CAD software for drawing and construction. Visit the website of Bentley MicroStation for a detailed description of the MDL format.

Application:Bentley MicroStation
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Bentley MicroStation MDL Program related extensions

  • dmm Sybase PowerDesigner Data Movement Model
  • ivx Beyond 20/20 Micro-data Extract File
  • 83m TI-83 Calculator Matrix Data
  • dop Voyetra Digital Orchestrator Pro Data

#17 MapShots Model Data

The MDL file is categorized under Data. It is associated with MapShots, serving as a MapShots Model Data. MapShots is a software development company specializing in crop management applications for agriculture. It seems that MapShots is no longer supported by the maker.

Application:MapShots
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

MapShots Model Data related extensions

  • nbfp Nitro Basic File Palette
  • twe ThinkWave Educator Data
  • spn PC-SPAN SPAN Data
  • brn HTC TouchFlo Animation

#18 Half-Life Game Model Data

The MDL file is categorized under Game Data. It is associated with Half-Life, serving as a Half-Life Game Model Data. Half-Life is a first-person shooter game developed by Valve and published by Sierra Studios for Windows in 1998. Visit the website of Half-Life for a detailed description of the MDL format.

Application:Half-Life
Category:Game Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Half-Life Game Model Data related extensions

  • hl1 Half-Life Saved Game
  • hull Half-Life Map Collision Hull Data
  • pts Half-Life Map Creation Debug Data
  • qc Half-Life Model Compiler Script

#19 Warcraft 3 Text Model Data

The MDL file is categorized under Game Data. It is associated with Warcraft 3, serving as a Warcraft 3 Text Model Data. Warcraft 3 is a real-time strategy game from Blizzard Entertainment. Visit the website of Warcraft 3 for a detailed description of the MDL format.

Application:Warcraft 3
Category:Game Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Warcraft 3 Text Model Data related extensions

  • ibch IncrediBots Challenge Data
  • zei Anno 1602 Game Data
  • key Infinity Engine Key Data
  • pcsav Mass Effect 2 Saved Game

#20 STAR-CD v4 Model Data

The MDL file is categorized under Data. It is associated with STAR-CD, serving as a STAR-CD v4 Model Data. STAR-CD is a general purpose CFD code system for the calculation of fluid flow, heat and mass transfer and chemical reaction in industry and the environment. Visit the website of STAR-CD for a detailed description of the MDL format.

Application:STAR-CD
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

STAR-CD v4 Model Data related extensions

  • ccmg STAR-CD v4 Solver Ready Geometry Data
  • ccmp STAR-CD v4 Results Data
  • ccmt STAR-CD v4 Transient Data
  • geom STAR-CD v3 Solver Ready Geometry Data

#21 Rapidform Model Data

The MDL file is categorized under Data. It is associated with Geomagic Verify, serving as a Rapidform Model Data. Geomagic Verify (Rapidform) is a state of the art inspection software. Visit the website of Geomagic Verify for a detailed description of the MDL format.

Application:Geomagic Verify
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Rapidform Model Data related extensions

  • ic4 SADiE Interchange Data
  • pwre PasswordTools Data
  • bit FinalCrypt Encrypted Data
  • max Action Replay Max Save File

#22 Quake 3D Model Data

The MDL file is categorized under Game Data. It is associated with Quake, serving as a Quake 3D Model Data. Quake is a first person shooter that was released by id Software in 1996 and the first game in the popular Quake series of video games. Visit the website of Quake for a detailed description of the MDL format.

Application:Quake
Category:Game Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

Quake 3D Model Data related extensions

  • bsp Quake Map Data
  • lit Quake Colored Light Data
  • lmp Quake Lump Data
  • map Quake Uncompiled Map Data

#23 WinDev RAD Model Data

The MDL file is categorized under Development. It is associated with WinDev, serving as a WinDev RAD Model Data. WinDev is an integrated development environment (IDE) fourth generation language (4GL), first published by PC SOFT in 1993, which is based upon a run-time engine (framework). It uses a 4GL known as WLanguage. Visit the website of WinDev for a detailed description of the MDL format.

Application:WinDev
Category:Development files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

WinDev RAD Model Data related extensions

  • dep WinDev Dependency Data
  • dpl WinDev Duplicate Data
  • env WinDev Environment Data
  • err WinDev Error Message

#24 Leadwerks 3D Model

The GMF file is categorized under Data. It is associated with Leadwerks, serving as a Leadwerks 3D Model. Leadwerks is a cross-platform game engine developed by Leadwerks Software. Visit the website of Leadwerks for a detailed description of the GMF format.

Application:Leadwerks
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:mdl

Leadwerks 3D Model related extensions

  • gmf Leadwerks 3D Model
  • map Leadwerks Map Data
  • tex Leadwerks Texture Data

#25 MDL Molfile Data

The MOL file is categorized under Data. It is associated with Open Babel, serving as an MDL Molfile Data. Each MOL file describes a single molecular structure which can contain disjoint fragments. Visit the website of Open Babel for a detailed description of the MOL format.

Application:Open Babel
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:mdl, sd, sdf

MDL Molfile Data related extensions

  • qdat QuickTime Install Cache
  • cex CLAN Output Data
  • wkp Web CEO Database Backup
  • rsdx RadioSure Stations Data

#26 Vensim Model

The VMF file is categorized under Data. It is associated with Vensim, serving as a Vensim Model. Vensim is a simulation software developed by Ventana Systems. Visit the website of Vensim for a detailed description of the VMF format.

Application:Vensim
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:mdl

Vensim Model related extensions

  • vmf Vensim Model
  • vmfx Vensim Binary Model

Did someone accidentally misspell the MDL filename?

The MDL filename extension may be misspelled. We compiled a list of similar file extensions to help you find errors.

Filename extensions similar to MDL:

Windows can't open your MDL file?

When you try to open a file by double-clicking it, Windows looks at the file's name to figure out what to do. If Windows doesn't know the file type, it'll ask you to choose an app to open this MDL file.

To set the MDL file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. In the Default apps section, you will find various categories. They include Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate. For example, choose Photos for image files, or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the app you want is not listed, click on More apps to see more options. Or, click on Look for an app in the Microsoft Store to search for apps.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set MDL file association. Many apps can open files. They don't need a specific file association to be set.

Handle MDL files with care

Exercise caution when handling MDL files from unknown sources. Files from certain sources can threaten your computer's security. They might contain malware, viruses, or harmful software. To minimize risks, avoid downloading or opening unfamiliar MDL files. Use trusted antivirus software to scan files from unknown sources before opening.

If you find the information on this MDL page useful, please feel free to link to this page.

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