eM Client is an email client with calendar, tasks, contacts, and chat features. It supports all major services including Gmail, Exchange, iCloud, and Outlook.com; it also has the ability to set up all the configuration for these services. eM Client lets you customize its appearance and behavior on multiple levels. It has a sidebar that provides you quick contextual information and details such as communication history, attachment history, and agenda.
Smart add-in for Google Contacts & Calendars synchronization.
It is an advanced address book program for managing contacts.
Enable Microsoft Outlook to share calendar, tasks, contacts, and notes.
Migrate your Mails, Contacts and Calendar Events from Outlook.
It's incredibly easy to convert your email, folders, contacts and calendar.