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

Details of extension .ctt

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ctt file?
  • Which program can create the .ctt file?
  • Where can you find a description of the .ctt format?
  • What can convert .ctt files to a different format?
  • Which MIME-type is associated with the .ctt extension?
.ctt
MSN Messenger Contact List .ctt file icon

MSN Messenger Contact List

CTT file is an exported MSN Messenger Contact List. MSN Messenger is a deprecated instant messaging client developed by Microsoft for Windows. Messenger was retired in April 2013 and is no longer available or supported on most Mac and Windows operating systems.
Detailed description not available
Category: Data files
Application: MSN Messenger
Program name: msnmsgr.exe
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Live Messenger Content Object
Live Messenger Custom Emoticon Image
Live Messenger Custom Emoticon Metadata
Live Messenger Content

Other types of files may also use the .ctt file extension. If you have helpful information about .ctt extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

WebVTT Document
ChiWriter Low-res Screen Font
BrainVoyager QX Contrast Data
AVG Update Control File
Certificate File
TurboCAD Template
Microsoft SQL Server Data Replication Conflict Tables
SimCity City Data
ECMG Content Transformation File

The .ctt filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

vtt (38), cft (1), tct (1), ftt (1), cyt (1), ctr (1), ctf (1), crt (1), cgt (1), xtt (1), tt (1), stt (1), dtt (1), cty (1), ctg (1)

Can't open a .ctt file?

If you want to open a .ctt file on your computer, you just need to have the appropriate program installed. If the .ctt association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ctt

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 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.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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