To close a file but leave the application open, use the ____ tab to select the Close option.

Similar to ________, the navigation form allows for top-level navigation commands across the top of the page or vertical navigation along the side of the page as well as subnavigation directly below or along the side of the page

Fill in the blank(s) with correct word

To install an add-in, click the _____ button on the Insert tab.?

A. ?Add-in B. ?Shop C. ?Store D. ?Cortana