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Having problems opening a CTL file?

Learn about files with extension CTL

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CTL File

What are CTL files and how to open them

Are you having problems opening a CTL file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your CTL files.

What is a CTL file?

CTL files have multiple uses, and LabVIEW Control data is one of them. Read more about the other uses further down the page.

LabVIEW Control data

These CTL files contain the controls and indicators created in the Control Editor of LabVIEW, a virtual engineering workbench that is a system-design platform and development engine. You can change the size, color, and position of elements in your control editor. You can also import images.

How to open CTL files

Important: Different programs may use files with the CTL file extension for different purposes, so unless you are sure which format your CTL file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different CTL openers which you will find listed below.

Last updated: September 22, 2023

All known file formats using extension .CTL

While LabVIEW Control data is a popular type of CTL-file, we know of 3 different uses of the .CTL file extension. Different software may use files with the same extension for different types of data.

Phoenix Visual Designer Third Party Control

We know that one CTL format is Phoenix Visual Designer Third Party Control. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Visual Basic user-defined control file

We know that one CTL format is Visual Basic user-defined control file. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of CTL files. Remember, different programs may use CTL files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Visual BasicVisual BasicUser submitted
National Instruments LabVIEWNational Instruments LabVIEWUser submitted
ROBOLABROBOLABUser submitted
EPOC Install ApplicationEPOC Install ApplicationUser submitted
FilmScribeFilmScribeUser submitted
Family Tree MakerFamily Tree MakerUser submitted
NI LabVIEWNI LabVIEWUser submitted
DAQFactory ExpressDAQFactory ExpressUser submitted
TopSolidTopSolidUser submitted
Notepad++Notepad++User submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about CTL file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.