.DEM File Extension

Developer:
Valve
File Type:
Video Game Demo File
Popularity:

Having trouble opening .dem extension? Don't panic! This page explains what dem files are as well as suggests programs you may use to open dem files. You can download these programs through this page.

What is a DEM file?

Dem file extension has Video Game Demo file type, developed by Valve, which is associated with the "game files" category.

To learn how you can open the given file, read the information below.

dem file icon
Developer:
Valve
File Type:
Video Game Demo File
Category:
Game Files
Format:
Binary

How to open DEM file?

Double click the dem file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .dem extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the dem extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".
4.460.859 downloads

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the dem file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open DEM files

  • Windows Windows
    • Valve Counter-Strike Valve Counter-Strike
    • Epic Games Unreal Tournament Epic Games Unreal Tournament
    • id Software Quake id Software Quake
    • id Software Hexen 2 id Software Hexen 2
    • VirtualDub VirtualDub
  • MacOS MacOS
    • Valve Counter-Strike Valve Counter-Strike
    • Epic Games Unreal Tournament Epic Games Unreal Tournament
    • id Software Quake id Software Quake

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the dem file as well. Download Universal File Viewer for your OS.

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