A daily updated filename extension database!

IOR file extension

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

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

✅ Maxwell Render Index of Refraction Data

IOR file is a Maxwell Render Index of Refraction Data. Maxwell Render is a software package that aids in the production of photorealistic images from computer 3D model data. It is a 3D renderer.
Category: Document files
Application: Maxwell Render
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
IOR aliases:
IOR related links:
IOR related extensions:
Maxwell Render Material

Maxwell Render Scene

Maxwell Render Image

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

🚫 The .ior file extension is often given incorrectly!

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

ilr, io, iod, iof, iot, ipr, ir, kor, oir

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Unity License Request File
IntelliJ IDEA Project
Arabian Nights Game Data
TINA Interpreter File
Sony DVGate IO Data
Crestron BPC-HPLIR IR File
FindIt Data Fle
Windows Korean Noise-word List
Hitachi Ladder Editor IO Comment
Olympus Microscope OIR Image

🔴 Can't open a .ior 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 .ior 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 .ior file extension, write to us!

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