If you are seeking information about file extensions, then you are in the right place at the right time.

Details of extension .catom

On this page, we're going to take a closer look at the .catom file extension, which is related to Chief Architect Catalogue Data.

We'll explain what exactly a .catom file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .catom files into different formats, we'll give you some tips on how to do that too.

Let's see the file format associated with this file extension!


  1. Chief Architect Catalogue Data

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Chief Architect Catalogue Data

catom file - Chief Architect Catalogue Data
The CATOM file belongs to the Data category and works with Chief Architect, being used as a Chief Architect Catalogue Data. Chief Architect is a 3D architectural software for designing highly detailed plans for homes and light commercial buildings. The developer is still actively supporting the Chief Architect, likely. Our data shows that Chief Architect uses 4 more file types.
Application: Chief Architect
Program name: -
Category: Data files
Mime-type: application/octet-stream
Related extensions:
.alb Chief Architect Legacy Library
.calibz Chief Architect Library Archive
.plan Chief Architect Plan Data
.calib Chief Architect Library

The .catom file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .catom extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .catom file extension wrong?

In our database, we came across the following similar extensions:

.atom Atom Syndication Format File

The .catom extension is frequently misused

People sometimes confuse the .catom filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

atom (1)

Having trouble opening a .catom file?

If you want to open a .catom file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .catom association can trigger this error.

Windows can't open this file:

File: example.catom

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android