FON file format description

Many people often share .fon files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .fon files. To address this issue, we have created this page to offer assistance and guidance on handling .fon files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .fon files.

Our aim is to simplify the process and promote seamless use of the .fon file format.

3 filename extension(s) found in our database.

.fon - Windows Bitmap Font

The FON font files are related to Microsoft Windows. The FON file is a Windows Bitmap Font. Some FON files are used by Windows systems functions.

Application:Microsoft Windows
Category:Font files
Magic:- / -

Windows Bitmap Font related extensions:

  • ttc TrueType Font Collection
  • gdr SymbianOS Font
  • nmf 3D Embroidery Font
  • vf1 BP-743 Variable Pitch Font
  • fzx FZX Bitmap Font
  • r8l HP LaserJet Landscape Font

.fon - Hitachi Ladder Editor Force File

The FON development files are related to Ladder Editor for Windows. The FON file is a Hitachi Ladder Editor Force File. Ladder Editor for Windows is a ladder programming tool for Hitachi PLCs.

Application:Ladder Editor for Windows
Category:Development files
Magic:- / -

Hitachi Ladder Editor Force File related extensions:

  • mcurl Curl Manifest Data
  • sysml Systems Modeling Language Document
  • ngo Xilinx ISE Logical Description Data
  • nmc Xilinx ISE Physical Macro Library
  • mesh Godot Engine Mesh Data
  • exv Adobe Extension Script

.fon - COREX Manual Broad Phonetic Transcription Data

The FON data files are related to COREX. The FON file is a COREX Manual Broad Phonetic Transcription Data. COREX is the CORpus EXploitation software by means of which the Spoken Dutch Corpus (CGN) can be exploited.

Category:Data files
Magic:- / -

COREX Manual Broad Phonetic Transcription Data related extensions:

  • awd COREX Automatic Word and Phoneme Segmentation Data
  • bpt COREX Segmentation Data
  • lxk COREX Lexicon Link-up Data
  • plk COREX Part-of-speech Tag Data
  • pri COREX Orthographic Transcription Data
  • pro COREX Prosodic Annotation Data

Be careful.

It is important to understand that the .fon file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .fon extension to create files. This includes potentially harmful programs or malware that may generate .fon files for various purposes. Be especially cautious with .fon files coming from untrusted or unknown sources.

Can't open a .fon 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 an extension, you receive the following message:

Select an app to open this .fon file

To set the .fon file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .fon file association. Many applications can open .fon files without requiring any specific file association to be set.

The .fon file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

bon, con, don, eon, fin, fln, fn, fno, fo, fob, fog, fom, fpn, ofn, ron

Is it possible that the filename extension is misspelled?

There is a possibility that the .fon filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .fon:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .fon page useful, please feel free to link to this page. >> FON file