Open the File menu and select Exit. If you have made changes to the document without saving your work, the application asks whether you want to save it.
Click Yes to save your work; click No if you don't want to save it; click Cancel to return to working in the document without saving or exiting.
INTRODUCTION
When you no longer want to work in an application, you can exit it and return to the Windows desktop. The best practice is to save your work in each application and then exit all the applications before you turn off your computer.
TIP
Taskbar
Notice that after you close an application, the taskbar no longer displays a button for that application.
TIP
Quick Closing
There is a trick to quickly closing all open documents without exiting the specific Office application: Press the Shift key and select File, Close All.
