A daily updated filename extension database!

IO file extension

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

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

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

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

✅ Arabian Nights Game Data

Arabian Nights Game Data .io file icon
IO file is an Arabian Nights Game Data.
IO format description not yet available
Category: Game Data files
Application: Arabian Nights
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
IO aliases:
IO related links:
IO related extensions:

✅ Kodak Trophy IO Image

Kodak Trophy IO Image .crio file icon
CRIO file is a Kodak Trophy IO Image. Trophy is a dental X-ray and imaging software by Kodak.
CRIO format description not yet available
Category: Graphic files
Application: Kodak Trophy
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CRIO aliases:
CRIO related links:
CRIO related extensions:
Kodak Trophy Panoramic Image

Kodak Trophy CEPH Image

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

🚫 The .io file extension is often given incorrectly!

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

ii, ik, il, ip, jo, ko, lo, oo

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Linux 2.6 Kernel Object
Cadence SKILL File
Interleaf Compiled Lisp
IL Source Code
FreePascal Object
IconPackager Theme Data
Commodore 128 IPaint Image
IconWorkshop Extended Information
JO Audio File
CryENGINE IK Animation

🔴 Can't open a .io 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 .io 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 .io 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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