Outlook is the personal information manager and email client by Microsoft. Outlook is available in two formats. Outlook is a web-based email client and also the part of Microsoft Office suite. The best about Outlook is that it is both a web based and desktop based email service. Unlike other email applications, Outlook is integrated with a lot of options and services such as task manager, calendar, contact manager, web browsing, journal, note taking and many others are the part of Outlook. The best about Outlook is that it can be either use as a standalone application or can be operated with MS Exchange Server and MS SharePoint Server for multiple users in a business as well to access shared calendars, mailboxes etc. . It offers IMAP and POP3 access along with social network integration e.g. Facebook chat. It is available for online, Android, iPhone and iPad.