CTT File – What is .ctt file and how to open it?

CTT File Format

A CTT file is a Messenger Contact List created by Microsoft Messenger, a discontinued instant messaging service. It stores a list of contacts, each with associated information such as their display name, email address, and custom notes. CTT files are plain text files, formatted in a specific syntax that can be read and edited by text editors or specialized contact management software. They typically have a “.ctt” extension.

Usage and Benefits

CTT files were primarily used for managing and organizing contacts in Microsoft Messenger. Users could create and edit CTT files to add, remove or modify contact information, group contacts into categories, and set preferences for each contact. By importing or exporting CTT files, users could easily share or backup their contact lists, ensuring that their contacts were always up-to-date and accessible across different devices.

Using Microsoft Outlook

The CTT file extension is primarily associated with the Messenger Contact List used by Microsoft Outlook, an email client and personal information manager. To open a CTT file in Outlook, follow these steps:

1. Launch Microsoft Outlook on your computer.
2. Click on the “File” menu and select “Open & Export > Open Outlook Data File.”
3. In the “Open Outlook Data File” dialog box, browse to and select the CTT file you want to open.
4. Click “OK” to import the contact list into Outlook.

The contacts from the CTT file will be merged into your existing Outlook contacts list. You can then manage and use these contacts as needed within Outlook.

Using Third-Party Software

If you don’t have Microsoft Outlook installed on your computer, or if you prefer a different method, several third-party software programs can open and view CTT files. Some popular options include:

• Free CTT Viewer: This freeware tool allows you to open and view the contents of CTT files, including contact information, groups, and more.
• CTT File Viewer: This commercial software provides more advanced features for managing and exporting contacts from CTT files.
• Contactual: This web-based service enables you to upload and view CTT files online without installing any software.

CTT File Format

A CTT file is a Messenger Contact List file used by Microsoft’s Windows Live Messenger program (now known as Skype). It contains a list of contacts and their associated information, such as names, email addresses, phone numbers, and other contact details. CTT files are used to store and manage contact lists for the program, allowing users to quickly access and communicate with their contacts.

The CTT file format is an XML-based format that stores contact information in a structured and hierarchical manner. The file contains a root element called “ContactList” that contains a collection of “Contact” elements. Each “Contact” element represents an individual contact and contains sub-elements for storing the contact’s name, email address, phone number, and other information. CTT files also support custom fields and attributes, allowing users to store additional information about their contacts.

Other Extensions