CFM File Extension

CFM file icon

ColdFusion Markup Format

What is a CFM file?

Files with the CFM extension are specifically tied to ColdFusion Markup Format, a Developer Files type, and there are 1166 files in this category.

The ColdFusion Markup Format (CFM) was created by Adobe, a company that developed file format and produced 81 programs for their use.

CFM files are supported by Mac OS, Windows and Linux. If you need to open a CFM file, you can use one of 11 programs, such as Adobe ColdFusion Builder, Sublime Text and PSPad.

How to open a CFM file?

If you’re having difficulty opening a CFM file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.

Adobe ColdFusion Builder, Sublime Text and PSPad stand out as the preferred programs to manage CFM files effectively. To install the latest version of Adobe ColdFusion Builder on your computer, visit the Adobe website where you can download the version available for all operating systems.

After installation, your operating system should automatically open CFM files with Adobe ColdFusion Builder.

Set Adobe ColdFusion Builder as the default CFM handler

Choose an app to open a file on Mac

  1. Right click or use Control + left click on the desired CFM file to launch the file options menu;
  2. Choose "Open in Application" and click "Other";
  3. Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
  4. In this menu, select "All Programs", then find Adobe ColdFusion Builder and check the box next to "Always open in the application."

Set default programs for Windows

  1. Start by right-clicking on your CFM file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
  2. In the pop-up window, find and select the Adobe ColdFusion Builder application from the available options;
  3. Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening CFM files.

Convert files to and from CFM

If you have trouble working with a CFM file, try converting it to PDF or similar developer files.

Be aware that converting a CFM file may reduce some features, but you can usually revert it to the original format.

Convert CFM to other file formats

Effective solutions for CFM file problems

There are some common issues with CFM files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.

What are the methods to detect if my CFM file has been corrupted?

CFM developer files that have become corrupted may display one or more of the following symptoms:

  • An unexplained increase in the size of the CFM file;
  • Trying to work with the archive in Adobe ColdFusion Builder or other programs causes instability or program crashes;
  • The file does not open correctly or displays error messages;
  • While working with the file, error alerts are encountered;
  • The file exhibits poor performance during editing operations in Adobe ColdFusion Builder;

Why does Adobe ColdFusion Builder crash?

Insufficient software updates can contribute to Adobe ColdFusion Builder crash. To avoid this, make sure that you have installed the latest updates for Adobe products.

Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.

How to repair a corrupted CFM file?

Open the damaged CFM file in a recovery program and select the "Repair" menu item to start the repair operation. Please wait patiently for the recovery process to finish as it will automatically repair the damaged developer files.

How to edit a CFM file?

To make changes to CFM files, you need specialized software that allows both opening and editing the developer files. Online CFM editors offer fewer capabilities than applications optimized for ColdFusion Markup Format.

Best CFM editors 2026

Based on these criteria, we have prepared a list of available CFM editors.

CFM Editor SoftwareDeveloperPlatformsOverall Rating
Adobe ExtendScriptAdobeWindows4.8 out of 5 (40 reviews)
Notepad++Notepad++ TeamWindows4.8 out of 5 (43 reviews)
Adobe ColdFusion BuilderAdobeWindows, Mac OS4.6 out of 5 (45 reviews)
CodaPanicMac OS4.6 out of 5 (45 reviews)
Adobe DreamweaverAdobeWindows, Mac OS4.5 out of 5 (42 reviews)
Atom-Windows, Mac OS, Linux4.5 out of 5 (41 review)
Sublime TextSublime HQ PtyWindows, Mac OS, Linux4.4 out of 5 (46 reviews)
PSPadJan FialaWindows4.2 out of 5 (45 reviews)