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How to open .CTT file extension?

File Type : LabVIEW File
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .CTT files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .CTT file extension?

.CTT file extension is a known file type. This section of tells you everything you need to know about this extension.
Stores a list of contacts and groups used by the MSN/Live Messenger instant messaging program; saved as a text file and formatted in XML; can be exported from MSN Messenger and imported by another user. Contacts saved in a CTT file can be imported into Messenger by selecting File?Import Contacts from a Saved File. NOTE: Windows Live Messenger was discontinued in 2013 and has moved to Skype.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .CTT files:

Microsoft Windows:
  • Microsoft Windows Live Messenger
  • Microsoft MSN Messenger
  • Any Text Editor
Apple Mac OS X:
  • Microsoft Messenger