If you have recently switched to using Word 2013 or 2016 you might find the following start screen annoying...
To stop the Start Screen do this...
1. Click the tab to get to the backstage view
2. Click the link at the bottom left
3. With selected on the left look at the bottom of the General options
4. Remove the tick against Show the Start screen when this application starts
5. Click the OK button at the foot
Now close Word 2013 and then start it up again - Hey Presto!