What is the HDF File Extension?

Author:   |   Last Updated: May 30, 2023

Microsoft Silver

HDF File Summary

Most HDF files can be viewed with zero known software applications, typically Help Development Kit Help File developed by Unknown Developer. It's main file type association is the Procomm Plus Alternate Download File Listing format.

Both desktop and mobile devices enable you to view and (sometimes) edit these files, depending on the software used. HDF files have a "Medium" Popularity Rating; this means that they are occasionally present on most devices.

If you would like to learn more about HDF files and the software that opens them, please see the additional detailed information below. Also, you can learn how to do some basic HDF file troubleshooting if you are having trouble opening these files.

Medium
File Type Popularity
11690
File Rank

/ 11690

Active

File Status

30

May

2023

Page Last Updated

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Types of HDF Files


Primary HDF File Association

.HDF
File Format:.hdf
File Type:Procomm Plus Alternate Download File Listing

Created by: Unknown Developer
File Category:Data Files
Registry Key: HKEY_CLASSES_ROOT\.hdf

Software Programs That Open The Procomm Plus Alternate Download File Listing:


Procomm Plus Alternate Download File Listing by Unknown Developer

Windows

Hierarchical Data Format File by Unknown Developer

Windows

Amiga Hardfile Image by Unknown Developer

Windows

Help Development Kit Help File by Unknown Developer

Windows

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HDF File Popularity


Top Operating Systems

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


Troubleshooting Problems Opening HDF Files


Common Problems Opening HDF Files

Help Development Kit Help File is Not Installed

When you double-click your HDF file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If this is the case, it's usually due to the fact that you do not have Help Development Kit Help File for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you know of another program that can open your HDF file, you can try opening it by selecting the application from the programs listed.


Wrong Version of Help Development Kit Help File is Installed

In some cases, you might have a newer (or older) version of a Procomm Plus Alternate Download File Listing file that is unsupported by your installed application version. If you do not have the proper version Help Development Kit Help File (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: Sometimes you can get a clue about the version of HDF file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Summary: In either case, the majority of problems opening HDF files are related to not having the correct software application installed on your computer.


Other Causes of HDF File Opening Problems

Although you might already have Help Development Kit Help File or another HDF-associated software installed on your computer, you can still encounter problems opening Procomm Plus Alternate Download File Listing files. If you are still having problems opening HDF files, there may be other issues that are preventing you from opening these files. These other problems include (listed in order from most to least common):

  • Invalid HDF file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Accidental deletion of the description of the HDF file in the Windows registry
  • Incomplete or bad installation of a software application associated with the HDF format
  • Your HDF file is corrupted (issues with your Procomm Plus Alternate Download File Listing file itself)
  • Your HDF is infected with malware
  • Device drivers of the hardware associated with your HDF file are corrupt or out-of-date
  • Your computer does not have the adequate system resources to open the Procomm Plus Alternate Download File Listing format

Quiz: What file extension is an audio file?








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