Opening a DFONT File

The DFONT file type is primarily associated with Font Book.

DFONT	File extension: DFONT
	File type:	data fork font

What is a DFONT file?

DFONT files mostly belong to Font Book by Apple. A DFONT file is a data fork font used by macOS X operating system. This file serves a wrapper for a TrueType font for which a resource map is stored in a data fork of a file instead of a resource fork (as found in older versions of macOS).

How do you open DFONT files?

You need a suitable software like Font Book to open a DFONT file. You need a suitable software like Font Book from Apple to open a DFONT file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DFONT file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DFONT file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DFONT Text Viewer

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Online File Viewer

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4 Steps to Open an Unknown .DFONT File

DFONT files can come from different programs and aren't universally openable.

Identify the Source: Files received from macOS users or graphic designers usually suggest an Apple Data Fork Font.
Check the Header: Inspect the first bytes in a hex viewer to find clues:
- 00 01 00 00 or OTTO implies TrueType or OpenType font data.
- Readable XML/JSON suggests a misnamed text file.
Use the Original Software: The original program is usually required; try Apple Font Book, FontForge, or DfontSplitter, or ask the sender if uncertain.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for DFONT File Extension

File classification:

Font

Related files:

rsrc, fac, zip, ttc, suit, ttf

Mime type:

application/x-dfont, font/ttf

a dfont data fork font is a special file format by Apple and should only be edited and saved with the appropriate software.

How to solve problems with DFONT files

Associate the DFONT file extension with the correct application.
Update your software that should actually open data fork fonts. Because only the current version supports the latest DFONT file format. Search, therefore, e.g. on the Apple manufacturer website after an available Font Book update.
To make sure that your DFONT file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .DFONT file online - secure, fast, and no downloads needed.