Multiple Versions of MS Outlookīefore Outlook 97 there were already some clients named as Outlook packed with Exchange. Thus, in order to have a clear understanding of each and every version of Outlook, we have discussed different versions of Outlook. As everybody knows over the years, Microsoft Outlook keeps on undergoing a number of revision and updates, therefore, there is a wide range of versions of MS Outlook that are used by the users. Apart from this, Outlook is mainly used for storing, sending and receiving emails. As it is a part of MS Office suite but one can also use it as a standalone application also. In addition, Outlook works with Microsoft Exchange Server or Microsoft SharePoint Server and provides access to Exchange Server mailbox including, emails, contacts, calendars, etc. It is one of the widely used email application, which includes calendars, tasks, notes, journals, contacts etc., in its mailbox. Microsoft Outlook is a personal information manager provided by Microsoft, which comes along with Office suite. What are the Different Versions of Microsoft Outlook?