所用的Windows Live Messenger软件的文件,由微软开发的IM(即时通讯)的应用程序,附加的.ctt扩展。这些CTT文件通常被归类为数据文件,因为存储在这些CTT文件用于存储和显示由用户输入到他们的联系人列表中该IM软件的详情的Windows Live Messenger的应用程序引用数据。这些CTT文件的内容进行编码以纯文本格式,并且还执行与基于XML的规范,用于存储数据。 Mac用户可以安装开发用于Mac环境中实现支持功能集成到他们的系统,这些CTT文件,微软Messenger软件。在MSN Messenger的IM工具也使用这些CTT文件,并可以通过微软Windows用户安装。基本的文本编辑应用程序也可以用来打开和查看存储在贴有文件的内容.ctt扩展。这些IM应用程序提供了直观的特点在它的GUI(图形用户界面),使用户不需要在这些CTT文件中手动输入数据。
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.
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.