| File type | OS/2 High Performance File System |
| Developer | IBM |
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If you cannot open the HPFS file on your computer - there may be several reasons. The first and most important reason (the most common) is the lack of a suitable software that supports HPFS among those that are installed on your device.
A very simple way to solve this problem is to find and download the appropriate application. The first part of the task has already been done – the software supporting the HPFS file can be found in the table. Now just download and install the appropriate application.
The inability to open and operate the HPFS file does not necessarily mean that you do not have an appropriate software installed on your computer. There may be other problems that also block our ability to operate the OS/2 High Performance File System file. Below is a list of possible problems.
If you are sure that all of these reasons do not exist in your case (or have already been eliminated), the HPFS file should operate with your programs without any problem. If the problem with the HPFS file has not been solved, it may be due to the fact that in this case there is also another rare problem with the HPFS file. In this case, the only you can do is to ask for assistance of a professional staff.
| .adm | Administrator Policy Template Format |
| .adml | Microsoft Administrative Language-specific XML Template Format |
| .admx | Microsoft Administrative XML Template Format |
| .aml | Microsoft Assistance Markup Language |
| .ani | Animated Cursor |
| .ann | Microsoft Windows Help Annotation Format |
| .aos | Archos Signed Encrypted Data Format |
| .asec | Google Android Encrypted Application Package Format |
If you want to associate a file with a new program (e.g. my-file.HPFS) you have two ways to do it. The first and the easiest one is to right-click on the selected HPFS file. From the drop-down menu select "Choose default program", then click "Browse" and find the desired program. The whole operation must be confirmed by clicking OK. The second and more difficult to do is associate the HPFS file extension to the corresponding software in the Windows Registry.
Many files contain only simple text data. It is possible that while opening unknown files (e.g. HPFS) with a simple text editor like Windows Notepad will allow us to see some of the data encoded in the file. This method allows you to preview the contents of many files, but probably not in such a structure as a program dedicated to support them.
