RGM File Extension
Essence Game Engine Model
- File Type rgm
- Developer Relic Entertainment Inc.
- Popularity
- Application Corsixs Mod Studio
- Category Game Files
What is a RGM file?
The RGM file extension is linked to Essence Game Engine Model and belongs to the Game Files category, which includes 1265 files.
The Essence Game Engine Model (RGM), created by Relic, is one of file format they developed, and they also built 8 programs to support them.
RGM files are supported by Windows. When working with RGM files, you can rely on 3 programs, including Corsixs Mod Studio, Warhammer 40,000: Dawn of War and Company of Heroes.
Programs that support RGM files
How to open a RGM file?
If you can’t open a RGM file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
The most popular programs for working with RGM files are Corsixs Mod Studio, Warhammer 40,000: Dawn of War and Company of Heroes. To install the latest version of Corsixs Mod Studio on your computer, visit the Corsix website where you can download the version available for all operating systems.
Following installation, RGM files should be automatically opened with Corsixs Mod Studio.
Set Corsixs Mod Studio as your default RGM viewer
Changing the default program in Windows
- Right-click on your RGM file, then choose the "Open with" option and select "Choose another application" from the available options;
- From the list of applications in the pop-up window, find and select Corsixs Mod Studio as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening RGM files.
Set default app to open files on Mac
- Right-click or Control + left-click on the desired RGM file to open a menu of available actions;
- Select "Open in application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Corsixs Mod Studio. Check the box next to "Always open in app" to make sure it’s the default option.
How to edit a RGM file?
To edit RGM files, you need to install specialized software that allows you not only to open but also to modify game files. Online RGM editors usually provide fewer features than software created specifically for Essence Game Engine Model.
Best RGM editors in 2026
Taking into account the provided details, we have prepared a list of RGM editors that match your needs.
| RGM Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Corsixs Mod Studio | Corsix | Windows | 4.6 out of 5 (48 reviews) |
Solving Common RGM File Challenges
When issues arise with RGM files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the warning signs that my RGM file may be corrupted?
Corrupted RGM game files may have one or more of the following symptoms:
- Error messages appear during the course of working with the file;
- Poor performance when editing a file in Corsixs Mod Studio;
- Attempts to open the file result in errors or failed results;
- Unexplained increase in RGM file size;
- The file causes Corsixs Mod Studio or other programs to hang or crash during operation;
Why does Corsixs Mod Studio crash?
Corsixs Mod Studio crashes can be caused by outdated software. Keep your Corsix products up to date by installing the latest updates.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
How to repair a corrupted RGM file?
Use a data recovery program to open the damaged RGM file and from the menu choose "Repair" function to start the repair process. Please be patient while the recovery process completes, which will automatically restore the damaged game files.