There are 5 other file types using
the DEM file extension!

empty icon.dem - Creator Simulator temporary file

empty icon.dem - Demetra+ automated project file

empty icon.dem - Digital Elevation Model map file

empty icon.dem - Melco Embroidery format

empty icon.dem - USGS DEM geospatial file format

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DEM file extension - Recorded game replay

What is dem file? How to open dem files?

File type specification:

Game file type icon Game file type

File extension dem is most likely best known for its use for files created when recording matches in computer game Counter Strike (or other Half-Life clones) and DOTA, DOTA 2. These records are often shared between users and watches as replays.

The very same dem suffix was also used in old Quake/Hexen II computer game for recorded games, that could be re-played in the game. In case of multi-level record, the game saved the file with pak file extension.

Also, in some computer games like Unreal Tournament, Tom Clancy's Rainbow Six 3: Raven Shield game, or the the classic Descent, there were some files with file extension DEM, that contained demonstration of the game usually recorded within the game.

The default software associated to dem file type:

Dota 2 icon

Valve Corporation logo Dota 2  Multiplatform software

Company or developer:
  Valve Corporation

Dota 2 is successor of Defense of the Ancients (DotA) video game. It is a competitive game of action and strategy, played both professionally and casually by millions of passionate fans worldwide.

Players pick from a pool of over a hundred heroes, forming two teams of five players. Radiant heroes then battle their Dire counterparts to control a gorgeous fantasy landscape, waging campaigns of cunning, stealth, and outright warfare.

DotA (Defense of the Ancients) icon

DotA (Defense of the Ancients)  Multiplatform software

Company or developer:
  PlayDotA.com

DotA is a competitive game of action and strategy, played both professionally and casually by millions of passionate fans worldwide. Players pick from a pool of over a hundred heroes, forming two teams of five players.

Help how to open DEM files:

Recorded games in (.dem) can usually be replayed in their respective games.

How to convert file with extension DEM:

VirtualDub can open .dem files from Source engine (Half-Life) and save them to another video format, such as AVI.

Find conversions from dem file:

dem to avi

dem to mp4

List of software applications associated to the .dem file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open dem file, edit dem file, convert dem file, view dem file, play dem file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the dem files.

  • Play dem file
  • Convert dem file
  • Record dem file
  • Others dem file

dem file players - programs that can play dem file - Recorded game replay

Click on the link to get more information about listed programs for play dem file action.

Multiplatform:

Main software associated with dem file by default:
Dota 2 small icon Dota 2
DotA (Defense of the Ancients) small icon DotA (Defense of the Ancients)

Microsoft MS-DOS:

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