CMX File Extension

Corel Metafile Exchange Image Format

File Type cmx
Developer Corel
Popularity
4.6 (37 votes)
Application Corel Presentations
Category Document Files, Graphics Files
Format Binary

What is a CMX file?

The CMX file extension is linked to Corel Metafile Exchange Image Format and belongs to the categories of Document Files and Graphics Files, which include 1525 files.

The Corel Metafile Exchange Image Format (CMX) was developed by Corel, which created file format and 27 programs to work with them.

CMX file support extends to various operating systems, including Windows, Mac OS and Linux. To open a CMX file, you can choose from 5 programs such as Corel Presentations, CorelDraw Graphics Suite and WordPerfect Office.

MIME types

image/x-cmx
drawing/cmx
application/cmx
application/x-cmx

Windows

Mac OS

XnView

Linux

XnView

How to open a CMX file?

If you cannot open a CMX file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

When it comes to opening and working with CMX files, Corel Presentations, CorelDraw Graphics Suite and WordPerfect Office are the top choices for users. If you need the newest version of Corel Presentations, just access the Corel website. From there you can download the installer compatible with all systems.

Once installed, Corel Presentations will be set as the default program, and CMX files will open automatically.

Setting Corel Presentations as default CMX viewer

Changing Default Programs in Windows

Right click on your CMX file, then select "Open with" and click "Choose another application";
Choose Corel Presentations from the available applications listed in the pop-up window to set it as the default application to open your CMX file;
Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.

Change the default app for a file type in Mac

Initiate a right click or use Control + left click on the desired CMX file to open a menu where you can select various actions;
Select "Open in application" and click "Other";
At the bottom of the window, find the "Enable" menu, where "Recommended Programs" is already selected by default;
Within this menu, select "All Programs" and then locate Corel Presentations. Check the box next to "Always open in app" to set it as the default program.

Tips and tricks to solve problems with CMX files

Certain problems with CMX files can be conveniently fixed with small software tweaks. Here are some helpful tips to address them.

What can lead to sudden Corel Presentations crashes?

The likely cause of Corel Presentations crashing is lack of software updates. Install the latest updates available for Corel products.

Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.

What is the recommended approach to repair a damaged CMX file?

Open the corrupted CMX file in a recovery program and select the "Repair" menu item. Then wait for the recovery process to complete, which allows you to automatically repair corrupted document files.

How do I know if my CMX file is corrupted?

Common indications of damaged CMX document files are:

The file does not open or opens with errors;
Editing the archive in Corel Presentations results in slow or unresponsive behavior;
File hangs or crashes in Corel Presentations or other programs;
Unexplained increase in CMX file size;
Error messages appear while working with the file;

How to edit a CMX file?

To edit CMX files, it is essential to install software that supports not only viewing but also editing the document files. Online CMX editors provide limited functionality compared to full-featured software for Corel Metafile Exchange Image Format.

Best CMX editors in 2026

Considering the mentioned criteria, we have compiled a list of CMX editors that may suit your needs.

CMX Editor Software	Developer	Platforms	Overall Rating
Corel Presentations	Corel	Windows	4.6 out of 5 (47 reviews)
CorelDraw Graphics Suite	Corel	Windows	4.3 out of 5 (35 reviews)
WordPerfect Office	Corel	Windows	4.1 out of 5 (36 reviews)

Convert to and from CMX

If handling a CMX file is problematic, consider converting it to alternative formats such as JPG, JPEG, PNG, PDF, BMP or other supported types.

Keep in mind that converting a CMX file may introduce some limitations, but the original format can often be restored.

Offline software like XnView allows you to convert CMX files to other formats while maintaining quality.