ECM File Type

- The quick facts

What are ECM files and how to open them

Are you having problems opening an ECM 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 an ECM file?

ECM is an acronym for Error Code Modeler. Files that contain the .ecm file extension normally store modified disk image copies. User's commonly use this file format to create back-up copies of their computer hard drive's contents.

Unlike many disk image formats, the ECM file format allows for better file compression than the typical archive file format. This saves on disk and drive space when copying a hard drive into the ECM file format.

The Cmpro software application has also been known to use the .ecm file suffix. These ECM files contain example files that are used by the Cmpro software.

How to open ECM files

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

While we have not verified the apps ourselves yet, our users have suggested 5 different ECM openers which you will find listed below.

Last updated: March 17, 2022

Suggest another file format using extension ECM

While we know of one file format using the .ECM file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .ECM file.

Various apps that use files with this extension

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

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