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CQS file extension

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

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

✅ ConQuest Saved Search File

CQS file is a ConQuest Saved Search File. ConQuest is the primary program for searching and retrieving information from the Cambridge Structural Database (CSD).
Category: Data files
Application: ConQuest
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CQS aliases:
CQS related links:
CQS related extensions:

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

🚫 The .cqs file extension is often given incorrectly!

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

cq, cqe, cs, csq, qs, sqs, vqs

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Visual C# .NET Class
Adobe Encore Color Set
ClearSilver Template File
CQUAL Configuration
QL-R-kemi Styled Source
QSplat Model
Cumulus 6 Query Export Data
Operation FlashPoint Script
SQL Script Sequences
Datapath x4 Settings

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

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