A daily updated filename extension database!

COOL file extension

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

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

✅ QB - Text Analyzer Vocabulary Data

COOL file is a QB - Text Analyzer Vocabulary Data. QB - Text Analyzer is a tool to generate a vocabulary list from a text sample.
COOL format description not yet available
Category: Data files
Application: QB - Text Analyzer
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
COOL aliases:
COOL related links:
COOL related extensions:

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

🚫 The .cool file extension is often given incorrectly!

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

col, coo, cook, ool

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

HTML Help Collection
Atari 8-bit Technicolor Dream Image
Kogeo Colorbar Data
BibExcel COL Data
Tajima Embroidery Data File
Netscape for Mac Cookie Data
Orbit GIS Object List

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

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