Microsoft Outlook is one of the most popular email clients in the world but that doesnt mean its always easy to use. Here are the secrets you need to know about. Latest trending topics being covered on ZDNet including Reviews, Tech Industry, Security, Hardware, Apple, and Windows. One complaint about Outlook 2007, 2010 or 2013s Insert Date Time command is that it is too many steps. Its not bad if you use the keyboard shortcuts AltN, D.