.CTT File Overview

File Extension:	CTT
File Type Description:	Messenger Contact List
File Type Developer:	Microsoft Corporation
Primary Associated Software:	Microsoft Notepad
Primary Software Developer:	Microsoft Corporation

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Home File Types Data Files CTT

What is File Extension CTT?

Don Ho created the Messenger Contact List (CTT) file for the Notepad++ software series. Internal website statistics show that CTT files are most popular with users in United States and those running the Windows 10 operating system. Google Chrome is their primary internet browser for the bulk of these users.

Associated Developers and Software

	Notepad++ by Don Ho
	Microsoft Messenger by Microsoft Corporation
	LabVIEW by National Instruments
	Microsoft Windows Live Messenger by Microsoft Corporation
	Microsoft Notepad by Microsoft Corporation
	Sublime Text by Sublime HQ Pty Ltd

Top CTT User Languages

Top CTT File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	Linux

Other File Types Related to CTT Files

Extension	File Type Developer	File Category	File Type Description
._SLN120	Microsoft Corporation	Data Files	Microsoft Visual Studio File
.OLS	Microsoft Corporation	Data Files	Microsoft Office List Shortcut
.MPV2	Roxio	Video Files	MPEG-2 Video Stream
.PSESS	Microsoft Corporation	Developer Files	Microsoft Visual Studio Performance Session
.T3D	Epic Games	3D Image Files	Unreal Engine 3D Object File
.ISP	Microsoft Corporation	Settings Files	IIS Internet Service Provider Settings
.MYDOCS	Microsoft Corporation	System Files	Send To My Documents
.MVA	Microsoft Corporation	Compressed Files	Microsoft Setup Archive
.MTS	Sony	Video Files	AVCHD Video File
.QAT	Microsoft Corporation	Settings Files	Microsoft Office Quick Access Toolbar File