1st:- Get back that tab you accidentally closed.    If you want to get back a tab you closed, just press "Control" (or "Command" on Mac), plus "Shift," plus "T," and it will magically reappear.   2nd:-Only screenshot the part of the screen you want.     If you only need to screenshot part of the screen, there's a simple way to do it for both Windows and Macs.   For Mac: "Command," plus "Shift," plus "4" brings up the tool. Then you just drag the area you want.   For Windows: Just go to "Start" and then "Snipping Tool."       3rd:-Easily repeat your last command in Excel.   If you press the F4 button in Excel, it repeats the last command.     Understand from Below given Example-   you select a cell and highlight it yellow, you can then highlight any other selected cell(s) yellow by pressing F4."       4th:-Make a copy of a file by just dragging it.   All you have to do to make a copy of ...
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