Files with hfx extension are used by the US Robotics. They contain voice data.

There are 3 other file types using
the HFX file extension!

empty icon.hfx - HotFax data

empty icon.hfx - Harvard Graphics F/X data

empty icon.hfx - Pinnacle Hollywood FX special effects

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HFX file extension - US Robotics Rapid Comm voice data file

What is hfx file? How to open hfx files?

File type specification:

Various data file type icon Various data file type

The hfx file extension is associated with accessories developed by US Robotics. The .hfx file stores Rapid Comm voice data.

The HFX file format seems to be obsolete and supported by the developer.


Help how to open:

It is not possible to open the hfx extension files.

How to convert:

Files with hfx extension are not convertable.

Related links:

US Robotics website

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