Home : File Types : CTT File

.CTT File Extension

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File TypeMessenger Contact List

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CategoryData Files


This file is saved in an XML format. You can view the XML structure and contents of the file in a text editor.


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.

More Information

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.

Program(s) that open .CTT files
Microsoft Windows LogoWindows
Microsoft Windows Live Messenger
Any text editor
Mac OS X LogoMac
Microsoft Messenger
Updated 9/30/2015