A daily updated filename extension database!

HFX file extension

The table below provides useful information about the .hfx file extension. It answers questions such as:

  • What is the .hfx file?
  • What program do I need to open a .hfx file?
  • How can the .hfx file be opened, edited or printed?
  • How can I convert .hfx files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Hot Fax Data

HFX file is a Hot Fax Data. Smith Micro's Hot Fax Message Center is a complete voicemail, e-mail, and faxing solution.
HFX format description not yet available
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HFX aliases:
HFX related links:
HFX related extensions:

Other types of files may also use the .hfx file extension.

🚫 The .hfx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bfx, fhx, fx, gfx, hbx, hcx, hdx, hex, hf, hfa, hfc, hfd, hfs, hfz, hgx

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

GenX Data
HotDocs Form Document
Herolab E.A.S.Y Document
BinHex Encoded Data
Intel HEX Format Data
HFS Disk Image File
Bitware Fax Image
Commodore 64 Hires FLI Image
Delphi MultiHelp Index
NetObjects Fusion Components

🔴 Can't open a .hfx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .hfx file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .hfx file extension, write to us!

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