All about DHF Files

The DHF file type is primarily associated with ZOLL AED Plus Data Management Software.

DHF	File extension: DHF
	File type:	log file

What is a DHF file?

DHF files mostly belong to ZOLL AED Plus Data Management Software. DHF files are used mainly as device history files for the ZOLL AED 3. These files record logs from the AED device, such as event timestamps, device usage, and diagnostic data. They are managed with the ZOLL AED Plus Data Management Software, and more details can be found at Zoll Website.
In some cases, DHF files are used by games to store data. This alternate use may involve storing configuration or progress records, and the underlying format can differ from the medical logs.

• Primary use: stores history logs from an AED device.
• Records events like usage times and performance data.
• Opens with proprietary medical device software.
• Alternate use: data storage for gaming applications.
• Format details may vary by use case.

How to open DHF files

You need a suitable software like ZOLL AED Plus Data Management Software to open a DHF file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DHF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DHF file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DHF Text Viewer

Choose your .dhf file to analyze

or drag and drop it here

Online File Viewer

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DHF file format:

To find out what program is needed to open DHF files, you need to determine the file format. The file format can be determined based on the file extension and the signature (the first few characters of a file). However, different programs can use the same file extension, and file extensions can be assigned incorrectly. Knowledge is power - this also applies when dealing with unknown or faulty files. Our analysis of the DHF files produces the following result:

DHF is seldom used as a file extension and mainly uses a special format. The two most popular formats are as follows:

• 70% of all DHF files use the same file format, which have the signature [HEADER] Model=ZOLL AED 3 Serial_Number=. If you open these files in a text editor, you can view and read the content yourself. The file size is in the range of 89 KB to 820 KB. The file type was created recently. The following keywords are characteristic: Defib Boot_Ver=01.00, Device_ID, Model=ZOLL AED 3, Serial_Number, [HEADER], CPLD_Ver=05, Hardware_Ver=1, Defib_Engine_Ver=01.23, Num_Languages_Installed=1 and Application_Ver=06.03.006.
• 15% of all DHF files start with the bytes A8 AC 00 00 crucial for this file format. The contents of these files cannot be read by a human; only a computer program can interpret the data. A typical file size is 790 bytes. The file name 0000001.dhf is typical for these files.

The remaining 15% of all DHF files are files with no common format. Often described as sopac. Drag & drop your file here to see the file format and a preview of your DHF file!