Basic information about CT3 file

When there is a problem with opening files with the file extension CT3（*.CT3 or *.ct3）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the CT3 file yourself.

There are 4 file types using the CT3 file extension in our database. In the further part of this page, you will find detail information about all the CT3 file with their brief description and a list of programs that support CT3 file sorted by operating systems. The table below provides useful information about the CT3 file extension. It answers questions such as:
  • What is the CT3 file?
  • How to open a CT3 file?
  • What programs do I need to open a CT3 file?
  • What programs help to create and edit a CT3 file?
  • How to convert CT3 files to another file format?
  • How to convert another files to CT3 file format?


1.Detail information about CT3 file extension: CTRAN/W Sketch

File type CTRAN/W Sketch Category Vector Image Files
Developer N/A File format N/A
Description CT3 file is a CTRAN/W Sketch. The ct3 file extension is associated with the CTRAN/W, a CAD solution for Microsoft Windows operating system that is used for model the movement of contaminants.

The ct3 file stores sketch created in the CTRAN/W tool.
Software programs that will open, edit or convert CT3 files

Windows		 CTRAN/W


2.Detail information about CT3 file extension: Casio WK-1800 Keyboard Users Tones

File type Casio WK-1800 Keyboard Users Tones Category Audio Files
Developer Casio File format N/A
Description CT3 file is a Casio WK-1800 Keyboard Users Tones developed by Casio.
Software programs that will open, edit or convert CT3 files


3.Detail information about CT3 file extension: CaseMap Case Analysis Template

File type CaseMap Case Analysis Template Category Data Files
Developer N/A File format N/A
Description CT3 file is a CaseMap Case Analysis Template.
Software programs that will open, edit or convert CT3 files

Windows		 CaseMap


4.Detail information about CT3 file extension: Microsoft Systems Management Server (SMS) Control File

File type Microsoft Systems Management Server (SMS) Control File Category Data Files
Developer N/A File format N/A
Description CT3 file is a Microsoft Systems Management Server (SMS) Control File.
Software programs that will open, edit or convert CT3 files

Windows		 Microsoft Systems Management Server (SMS)



Can't open a CT3 file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.CT3”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the CT3 extension without any issue.


Where I can download the application that support CT3 file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How 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 whith 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.


Can I change the extension of CT3 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/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a CT3 file?

The reasons for the lack of the ability to open a CT3 file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a CT3 file. If there is still something wrong, you might want to check:

  • Whether the CT3 file is damaged.
  • Whether the CT3 file is incorrectly linked in the registry entries.
  • Whether the CT3 file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the CT3 file format is incompletely.
  • Whether the CT3 file is infected.
  • Whether the drivers of the equipment used for opening a CT3 file are up to date.
  • Whether your computer has enough hardware resources to open a CT3 file.

If the CT3 file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.