Microsoft Office Outlook or Outlook is a personal information manager from Microsoft. The latest version (2007 version) is available since January, 2007 both as a separate application as well as a part of the Microsoft Office suite.Besides an e-mail application, it can also used as a Calendar, Task Manager, Contact Manager, note taking, a journal and web browsing. New features in Outlook 2007 include: Problems with Microsoft Outlook Outlook add-ins The main purpose of the add-ins is to add new functional capabilities into Microsoft Outlook and automate some routine operations.