This key combination is a quick way to close a window in any program. Alt+Spacebar+C and Ctrl+W do the same thing. Any of the ways will allow you to close a window without using your mouse to hit the X in the upper-right corner.
This allows you to easily scroll through all the windows you have open. You can toggle back and forth between all open programs.
In Microsoft Word, the left and right arrows allow you to move the cursor to the beginning of the previous word or the next word; the up and down arrows will do the same with paragraphs. This is helpful when editing a document.
There are many ways to copy a file, but this just might be the easiest. All you have to do is click on the file, hold, and drag it into its desired location. This works the same as another handy shortcut, Ctrl+C.
This one's for Office newbies. It's a snap to underline, bold, and italicize without the mouse if you press Ctrl+U (underlining), Ctrl+B (bolding), or Ctrl+I (italicizing).
Undo an action by hitting Ctrl+Z; if you change your mind, Ctrl+Y will redo the undo.
Want to insert a CD and not use it right away? This shortcut allows you to bypass Autorun when inserting a CD so you can control exactly when you will use a CD you've inserted.
Holding shift and pressing one of the arrow keys will highlight text in Word (or a group of Excel cells) without the mouse, selecting in the direction the arrow points.
If you want to delete a file—and you don't want to deal with it later in the Recycle Bin—this is the way to go. Just be absolutely sure that this is a file you won't want back!
The best part about shortcut keys is letting your keyboard do half the work. This is a perfect example: This shortcut allows you to open Windows Explorer with one quick keystroke.
This is the shortcut to keep in mind when you are at work doing anything but working—it allows you to minimize all of your open windows, leaving just the desktop left exposed. To restore the windows, hit Windows key+Shift+M. Another quick way to do this is Windows key+D, which shows your desktop; to restore, just repeat the same keystroke. This is a handy shortcut to have around the next time your boss is wandering through the office.
Want a quick way to get to the Systems Properties menu without too much thought? Just press these two keys and you'll be brought right to it.
Quickly shut down Windows by hitting the Windows key (don't hold it down), hitting U to reach the shutdown menu, and then hitting U again to shut down.