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.ctt File Extension
Developer: Microsoft CorporationFile type: Messenger Contact ListYou're here because you have a file that has a file extension ending in .ctt. Files with the file extension .ctt can only be launched by certain applications. It's possible that .ctt files are data files rather than documents or media, which means they're not meant to be viewed at all.what is a .ctt file?
Files used by the Windows Live Messenger software, an IM (Instant Messaging) application developed by Microsoft, are appended with the .ctt extension. These CTT files are generally classified as data files because the Windows Live Messenger application references data stored in these CTT files for storing and displaying details entered by users to their contact lists in this IM software. The content of these CTT files are encoded in plain text format and is also implemented with XML-based specifications for storing data. Mac users can install the Microsoft Messenger software developed for Mac environments to implement support functionalities into their systems for these CTT files. The MSN Messenger IM tool also uses these CTT files and may be installed by Microsoft Windows users. Basic text editing applications can also be used to open and view the content stored in files affixed with the .ctt extension. These IM applications provide intuitive features in its GUI (Graphical User Interface) so users won't need to manually enter data in these CTT files.how to open a .ctt file?
Launch a .ctt file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .ctt file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .ctt files aren't yet associated with it. In this case, when you try to open a .ctt file, you can tell Windows which application is the correct one for that file. From then on, opening a .ctt file will open the correct application. Click here to fix .ctt file association errorsapplications that open a .ctt file
Microsoft MSN MessengerMicrosoft MSN Messenger
Windows Live Messenger is an Instant Messaging (IM) application developed by Microsoft. It is an easy and a quick way to communicate with other people and it is simple to use. It is useful for keeping in touch with family and friends. In MSN Messenger, you can add static smileys, give yourself a nickname, change the color scheme of your messenger box, add or change your display picture, send pictures to your contacts, send and receive animated smileys, etc. It supports operating systems like Windows Mobile, Windows Phone, Windows CE, Xbox 360, Blackberry OS iOS, Java ME, S60 on Symbian OS 9.x, Windows XP up to wave 3, Windows Vista, Windows 7 and Zune HD.
Microsoft Windows ContactsMicrosoft Windows Contacts
Windows Contacts is a contact manager which is packed in Windows Vista and Windows 7, which replaced and retained most of the functionality of Windows Address Book, with an integration of Windows Mail. Windows Contacts uses a new XML-based schema format where each contact appears as an individual contact file, and can saved custom information including pictures. The file in a .wab format and the open standards, *.vcf (vCard) and *.csv (CSV) are also supported. Some uses of Windows Contacts are: a) it is implemented as a special folder in Windows Vista and Windows 7, b) it can import vCard, CSV, WAB and LDIF formats, c) it can export in vCard 2.1 and CSV formats, d) it can print contacts in Memo, Business Card, and Phone List formats, e) individual contacts can be quickly accessed from the Start menu search text box, f) Windows Live People, the contact manager for Windows Live Messenger and Windows Live Mail can saved its information in the Windows Contacts folder if the option to encrypt it is unchecked in Windows Live Messenger. At any time contacts in Messenger are updated, they'll be updated in Windows Contacts as well, and g) it exposes APIs for making new contacts, reading and writing in an existing contact, adding a "Label" in the form of a URI to a "Property" or a "Property" to a "Contact", API for matching devices with Windows Contacts.a word of warning
Be careful not to rename the extension on .ctt files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.what is a file extension?
A file extension is the set of three or four characters at the end of a filename; in this case, .ctt. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.
