A daily updated filename extension database!

IN3 file extension

The table below provides useful information about the .in3 file extension. It answers questions such as:

  • What is the .in3 file?
  • What program do I need to open a .in3 file?
  • How can the .in3 file be opened, edited or printed?
  • How can I convert .in3 files to another format?

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

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

✅ Harvard Graphics 3.0 Input Device Driver

IN3 file is a Harvard Graphics 3.0 Input Device Driver. Harvard Graphics was a pioneering presentation program developed for DOS and Microsoft Windows.
IN3 format description not yet available
Category: Other files
Application: Harvard Graphics
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
IN3 aliases:
IN3 related links:
IN3 related extensions:
Corel Presents Presentation

Microsoft PowerPoint Presentation

Corel Presentations Document

OpenDocument Presentation

Corel Presentations Template

StarOffice Packed Presentation

StarOffice Presentation

Microsoft PowerPoint 2007 Presentation

Microsoft PowerPoint 2007 Presentation

OpenDocument Presentation Template

Other types of files may also use the .in3 file extension.

🚫 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?

We found the following similar file extensions in our database:

DVILN03 Output File
Notation3 Document
Modula-3 Interface Source Code
Unreal 2: The Awakening Game Data
IncrediBots 3 Saved Challenge
Atari Falcon ICDRAW Icon
General Input File
SAP BR Tools Incremental Backup Archive

🔴 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 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 .in3 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 .in3 file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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