DEM File Type

- The quick facts

What are DEM files and how to open them

Are you having problems opening a DEM file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a DEM file?

DEM files have multiple uses, and Build Engine Demo/replay Data is one of them.

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 10 different DEM openers which you will find listed below.

Last updated: June 29, 2022

More file formats using the DEM extension

Through our research of DEM files, we know that the following formats exist. However, we have not yet analyzed them in detail, and we would love to hear from you if you have information about either of them.

Half-Life Demo

IGO Digital Elevation Map

Vista Digital Elevation Map

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.