MDMP File Extension
Have a problem opening a .MDMP file? We collect information about file formats and can explain what MDMP files are. Additionally we recommend software suitable for opening or converting such files.
What is the .MDMP file type?
A short for 'Minidump,' the .mdmp filename extension denotes the Microsoft Windows Memory Minidump (.mdmp, .dmp) file type/format. A memory minidump saves the contents of user-space memory areas that belong to a single process in Microsoft Windows. A minidump is created in the event of a program's abnormal termination due to a critical error (crash).
An .mdmp (or .dmp) file is a Windows memory minidump. Such minidumps are used for debugging purposes, since they provide memory snapshots just before the crash occurred and give clues to its probable causes. Automated memory dumps are part of the Windows Error Reporting (WER) technology. By default, Windows 7/8 creates minidump files (e.g., "WER753B.tmp.mdmp") in the "%UserProfile%\AppData\Local\Temp" folder. Alternatively, a minidump can be saved in the application's working directory.
Minidumps are useless without access to the application's source code and debugging symbols (.pdb files). For reading and analyzing Windows minidumps (.mdmp, .dmp), Microsoft provides their standalone Debugging Tools for Windows (WinDbg), also available as a component of Microsoft Visual Studio and the Windows Driver Kit (WDK).
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