File Extension Library

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.HFX File Extension

  • Category: Various data Files

What is an .HFX file?

.HFX file extension has been classified as Various data Files.

.HFX is HotFax data

The hfx file extension is associated with the HotFax an application developed by Smith Micro.

The hfx file stores various data used for internal purposes of the HotFax application.

HotFax is obsolete product.

.HFX file format is deprecated and this file format is no longer supported.

Currently, .HFX file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

Probably cannot be converted to anything else.

How to convert:

Probably cannot be converted to anything else.

How to Open .HFX file on different platforms

Open .HFX File on Windows

  • Right-click a .HFX
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .HFX file and Select check box "Always use this app to open .HFX files" Press "Ok"

Open .HFX File on Mac

  • Right-click (or Ctrl + Left-click) the .HFX file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .HFX File on Linux

Right click on the .HFX file, choose "Open with" and select a program from the list above

Open .HFX File on iPhone

Select a file. If you don't see an application to open the .HFX file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .HFX File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .HFX files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .HFX files

  1. You need to update the application that you normally use to open .HFX files. Only the latest version of the software supports the current .HFX file format
  2. You need to check the .HFX file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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