>> IN3 file

IN3 file format description

Many people share .in3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .in3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .in3 files.

1 filename extension(s) found in our database.

.in3 - Harvard Graphics 3.0 Input Device Driver

The IN3 other files are related to Harvard Graphics. IN3 file is a Harvard Graphics 3.0 Input Device Driver. Harvard Graphics was a pioneering presentation program developed for DOS and Microsoft Windows.

Harvard Graphics
Other files
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Harvard Graphics 3.0 Input Device Driver related extensions:
Harvard Graphics 3.0 Printer Driver
Poker Pal Third-party Plug-in
Adobe InDesign Plug-in
AppleTalk Data Connection File
MS-DOS 7.0 System File
Mac OS X System Driver

Naturally, other applications may also use the .in3 file extension. Even harmful programs can create .in3 files. Be especially cautious with .in3 files coming from an unknown source!

Can't open a .in3 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 .in3 file extension is often given incorrectly!

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

i3, ib3, in, inr, ln3, n3, un3

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

DVILN03 Output File
SAP BR Tools Incremental Backup Archive
IncrediBots 3 Saved Challenge
Notation3 Document
General Input File
Unreal 2: The Awakening Game Data

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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