>> FN3 file

FN3 file format description

Many people share .fn3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .fn3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .fn3 files.

1 filename extension(s) found in our database.

.fn3 - Harvard Graphics 3.0 Font Data

The FN3 font files are related to Harvard Graphics. The FN3 file is a Harvard Graphics 3.0 Font Data. Harvard Graphics was a pioneering presentation program developed for DOS and Microsoft Windows.

Harvard Graphics
Font files
- / -
Harvard Graphics 3.0 Font Data related extensions:
Corel Ventura Publisher 96dpi Font
MS-DOS 16-pixel Screen Font
Hatch Embroidery Font Data
AtariTools-800 Font Data
Atari 8-bit Daisy-Dot Font
Atari 8-bit Atari FontMaker Font

Naturally, other applications may also use the .fn3 file extension. Even harmful programs can create .fn3 files. Be especially cautious with .fn3 files coming from an unknown source!

Can't open a .fn3 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .fn3 file extension is often given incorrectly!

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

cn3, dn3, en3, fg3, fh3, fj3, fm3, fn, fne, fnw, n3, tn3

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Cn3D Data
Lotus 1-2-3 Worksheet
Lotus 1-2-3 Worksheet Formatting Data
FX Graph 3 Document
Notation3 Document
FCEUX 3 Movie Capture

Operating systems currently supports the following operating systems:

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

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