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OCT file extension

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

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

Table of Contents

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

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

✅ Radiance Octree

OCT file is a Radiance Octree. Radiance is a suite of tools for performing lighting simulation originally written by Greg Ward. It includes a renderer as well as many other tools for measuring the simulated light levels. It uses ray tracing to perform all lighting calculations, accelerated by the use of an octree data structure.
Category: Data files
Application: Radiance
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
OCT aliases:
OCT related links:
OCT related extensions:
Radiance Scene

POV-Ray Raytracing Format

Radiance Function File

Radiance Z-buffer File

Radiance Data File

POV-Ray State File

POV-Ray Include File

POV-Ray DF3 Proximity Pattern Parameters

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

🚫 The .oct file extension is often given incorrectly!

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

cot, ct, ict, kct, lct, oc, ocf, ocg, och, ocr, odt, oft, ost, ot, otc

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Intergraph Format Bitmap Image
OpenDocument Text
Microsoft Outlook Template
Silicon Graphics Iris Cliptexture
RelayFax OCR Document
GstarCAD Drawing
Scitex Continuous Tone
Keyman Developer Customisation Source File
OpenDocument Chart
TIFF Contone File

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

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