The Edit menu controls editing the settings, and enabling of diagnostic information in Visual Studio.
Edit > Settings
Displays the settings dialog.
Edit > Visual Studio diagnostic information...
Edit > Visual Studio diagnostic information > Enable diagnostic information
Makes changes to how Visual Studio reports diagnostic information.
Edit > Visual Studio diagnostic information > Show all items
Adds all items to the output including debug messages from Visual Studio via OutputDebugString().
Edit > Visual Studio diagnostic information > Show only items related to build incomplete messages
Adds all items to the output excluding debug messages from Visual Studio via OutputDebugString().