Outlook 2007. Cannot start Microsoft Outlook. Cannot open the Outlook Window. Posted on September 26, 2012 by timdotexe Command Prompt: Outlook.exe /resetnavpane Source: Microsoft Share this:Share Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print