Outlook unable to open your default e-mail folders

Error Messages

  • unable to open your default e-mail folders
  • Cannot open the Outlook window. The server is not available.

Resolution 1

Outlook was installed with compatibility mode.

  1. Locate your outlook.exe,
    1. Typically in C:\Program Files (x86)\Microsoft Office\Office14\
      1. (Note: 14 is for office 2010, yours may vary depending on your version of Outlook).
  2. Right-click the OUTLOOK.EXE, and select properties.
  3. On the Compatibility tab, uncheck all of the settings as shown belowOutlook Compatibility Tab Everything Unchecked

 

Resolution 2

Use the /resetnavpane when opening Outlook.

  1. Click Start and enter cmd in the search/run menu to open a command prompt
  2. In the command prompt, run the following command
    1. (Note: 14 is for office 2010, yours may vary depending on your version of Outlook)
C:\Program Files (x86)\Microsoft Office\Office14\outlook.exe /resetnavpane