MD3 file format description

Many people often share .md3 files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .md3 files. To address this issue, we have created this page to offer assistance and guidance on handling .md3 files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .md3 files.

Our aim is to simplify the process and promote seamless use of the .md3 file format.

2 filename extension(s) found in our database.

.md3 - Quake 3 Arena 3D Model Data

The MD3 game data files are related to Quake 3 Arena. The MD3 file is a Quake 3 Arena 3D Model Data. Quake 3 Arena is a multiplayer-focused first-person shooter video game.

Application:Quake 3 Arena
Category:Game Data files
Magic:- / -

Quake 3 Arena 3D Model Data related extensions:

  • ags Street Fighter IV Font Data
  • cfb Infinity Engine Binary Dump
  • dsres Dungeon Siege Resource Data
  • rep GTA San Andreas Game Replay
  • me2mod Mass Effect 2 Modification
  • imgb Final Fantasy XIII Model

.md0 - Alcohol 120% CD Image Segment

The MD0 disk image files are related to Alcohol 120%. The MD0 file is an Alcohol 120% CD Image Segment. You can burn it or just mount it in a virtual drive.

Application:Alcohol 120%
Category:Disk Image files
Magic:- / -
Aliases:md1, md2, md3, md4, md5, md6, md7, md8, md9

Alcohol 120% CD Image Segment related extensions:

  • afd Advanced Forensics Format Disk Image Part
  • wbfs Wii Backup File System
  • st Atari ST Standard Floppy Disk Image
  • ashdisc Ashampoo Burning Studio Disc Image
  • sacd SACD Image
  • ratdvd RatDVD Compressed Disk Image

Be careful.

It is important to understand that the .md3 file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .md3 extension to create files. This includes potentially harmful programs or malware that may generate .md3 files for various purposes. Be especially cautious with .md3 files coming from untrusted or unknown sources.

Can't open a .md3 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 an extension, you receive the following message:

Select an app to open this .md3 file

To set the .md3 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. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as 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 desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  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 .md3 file association. Many applications can open .md3 files without requiring any specific file association to be set.

The .md3 file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

d3, dm3, hd3, kd3, m3, m3d, mc3, md, mde, mdr, mdw, me3, mf3, mv3, mw3

Is it possible that the filename extension is misspelled?

There is a possibility that the .md3 filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .md3:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .md3 page useful, please feel free to link to this page. >> MD3 file