DEM File

What are DEM files and how to open them

Are you having problems opening a DEM file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your DEM files.

What is a DEM file?

DEM files have multiple uses, and Build Engine Demo/replay Data is one of them. Read more about the other uses further down the page.

Build Engine Demo/replay Data

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open DEM files

Important: Different programs may use files with the DEM file extension for different purposes, so unless you are sure which format your DEM file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different DEM openers which you will find listed below.

Last updated: July 31, 2023

All known file formats using extension .DEM

While Build Engine Demo/replay Data is a popular type of DEM-file, we know of 4 different uses of the .DEM file extension. Different software may use files with the same extension for different types of data.

Half-Life Demo

We know that one DEM format is Half-Life Demo. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

IGO Digital Elevation Map

We know that one DEM format is IGO Digital Elevation Map. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Vista Digital Elevation Map

We know that one DEM format is Vista Digital Elevation Map. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of DEM files. Remember, different programs may use DEM files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about DEM file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.