HDMP File Type

- The quick facts

What are HDMP files and how to open them

Are you having problems opening a HDMP 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 HDMP file?

Files with the .hdmp extension usually contain uncompressed error dump files. These files are created by the Windows XP and Vista operating systems when an application crashes or encounters a critical error. The HDMP files contain a "dump" of the program state, showing the state of the program when the error occurred. These files are often sent to Microsoft as a part of the software debugging process.

How to open HDMP files

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

While we have not verified the apps ourselves yet, our users have suggested 2 different HDMP openers which you will find listed below.

Last updated: September 10, 2017

Suggest another file format using extension HDMP

While we know of one file format using the .HDMP 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 .HDMP file.

Various apps that use files with this extension

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