To navigate through the ribbon menu in Microsoft Office applications, Outlook, Project, or Visio using the keyboard keys: 

• Press TAB to move forward or SHIFT+TAB to move back ribbon items.  

• Press the UP and DOWN arrows keys to access submenus.

• Press Spacebar to enable/disable radio buttons or select/unselect checkboxes. 

• Press F5 for refreshing the panels or dialogs or menus.

• Press F6 to traverse between panes.

• Press ESC to cancel the action. 

• Press Enter to confirm an action or expand sub-menus. 

• Press WINS+UP arrow key to maximize your window.

• Press WINS+DOWN arrow key to minimize your Window. 

• Press SHIFT+F10 to display the right-click menu.