A daily updated filename extension database!

CUB file extension

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

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

✅ ISIS 2 Cube

CUB file is an ISIS 2 Cube. ISIS 2 (Integrated Software for Imagers and Spectrometers) is a digital image processing software package.
Category: Data files
Application: ISIS 2
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CUB aliases:
CUB related links:
CUB related extensions:

✅ Gaussian Cube Data

CUBE file is a Gaussian Cube Data. Gaussian is an electronic structure programs. Designed to model a broad range of molecular systems under a variety of conditions, it performs its computations starting from the basic laws of quantum mechanics.
Category: Data files
Application: Gaussian
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CUBE aliases:
CUBE related links:
CUBE related extensions:
Gaussian Formatted Checkpoint File

Gaussian Input Data

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

🚫 The .cub file extension is often given incorrectly!

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

cb, cbu, chb, cib, cjb, ckb, cu, cuf, cuh, cuv, cyb, dub, fub, sub, ub

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

CUDA Header
Microsoft Windows 95 Clean Boot File
Tuningwrench Compressed Audio
1C:Enterprise Configuration Update Data
Autodesk Cleaner XL Job
Unsigned Byte Audio
BRIEF Macro File
Franklin Universal Binary E-book
Turbo C Utilities Form Definition
Cricket Audio Bank File

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

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