Underline
superscript
It does nothing. Pressing CTRL and the + sign zooms in your screen though
superscript
The keyboard shortcut notation ctrl plus esc means you press the Control key concurrently with the Escape key. On a Windows PC, the Ctrl + Esc shortcut produces the Start Menu.
The action assigned to shortcut keys can be different in different applications. In the case of Microsoft Excel, Ctrl+1 is a useful shortcut to the format dialog, where you can assign cell formats, borders, etc.
Ctrl plus J is used to justify text or a paragraph.
Yes. It is not deleted, but will go to the clipboard and could be pasted elsewhere.
Magnify the information displayed on the screen.
Well, I don't have the latest version of Word, but unless they've changed it, the answer is control-enter.
CTRL C to copy
It saves the file.
It reloads the page. Hope this helps! :)