Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.HDMP
File Type
Windows Heap Dump File
Category
Data
Best first step
Use compatible software
Quick Summary
A practical overview of the .hdmp file format
A .hdmp file, also known as a Windows Heap Dump file, is a snapshot of the memory heap of a running process at a specific point in time. It's primarily used for debugging and analyzing memory-related issues in Windows applications. When an application experiences a crash, memory leak, or other perf…
File extension
.HDMP
File type
Windows Heap Dump File
Category
Data
Recommended action
Open with a trusted compatible app
How to open a .hdmp file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .hdmp.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .hdmp file?
File extension details and usage information
A .hdmp file, also known as a Windows Heap Dump file, is a snapshot of the memory heap of a running process at a specific point in time. It's primarily used for debugging and analyzing memory-related issues in Windows applications. When an application experiences a crash, memory leak, or other performance problems, a heap dump can be generated to capture the current state of the application's memory allocation. This file contains information about all the objects allocated on the heap, their sizes, and their relationships to each other. Developers can then use specialized tools to analyze the heap dump and identify the root cause of the problem. This analysis often involves identifying memory leaks (objects that are no longer needed but are still being held in memory), excessive memory consumption, and other memory-related anomalies. The information within the .hdmp file is crucial for diagnosing and resolving complex software issues, particularly those related to memory management.
Software Compatibility
Programs that may open or work with .hdmp files
macOS
Compatible applications
No specific software is listed for this platform yet. Try checking the file source, identifying the original application, or using a trusted universal file viewer when appropriate.
Linux
Compatible applications
No specific software is listed for this platform yet. Try checking the file source, identifying the original application, or using a trusted universal file viewer when appropriate.
Mobile
Mobile applications
No specific software is listed for this platform yet. Try checking the file source, identifying the original application, or using a trusted universal file viewer when appropriate.
Can .hdmp files be converted?
Options for saving or exporting this file to another format
In many cases, a .hdmp file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .hdmp file.
Why can't I open a .hdmp file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .hdmp format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .hdmp files
To open a .hdmp file, use software that supports this file format.
- WinDbg
- Visual Studio Debugger
- DebugDiag
- Process Explorer
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .hdmp file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.