Every time you type an email address or name into the message window of MS-Outlook, it will automatically provide you with a list of users and email addresses from which you can choose. This function is known as 'AutoComplete' and Outlook automatically builds a list of these emails according to user actions and saves it to a file .NK2.
Rambox is an application that can take advantage of the functions of many of the most popular messaging and email services available today. Users will feel very comfortable just looking at a single window of this useful application.
Zavi, Zavi is a pure Vietnamese online meeting software with high security. Zavi is a product of Zalo Group, supporting video meetings with up to 100 people at a time
Trillian allows users to communicate with their friends on many different services in a common list.
WhatsApp is a simple, private, multifunctional online messaging and chat app that supports many platforms to help you stay in touch with friends and have conversations exciting.