Alternately, you may select an entire row by moving your mouse to the left_most cell in a row. When the cursor changes to an arrow, click the mouse and the entire row will be selected. You may select an entire column by moving your mouse to the top_most cell in a column. When the mouse pointer changes to an arrow, click the column and all cells in it will be selected. Once the desired cells have been selected, you may apply formatting changes to your selections as desired.
However, you can spare yourself this hassle if you consider the better and more impressive alternatives. Instead of going from store to store to select cards of your choice, you can sit comfortably on your computer and search for beautiful greeting cards templates, compose a generalized Christmas wish followed by your name and your company's name, find a reliable card printing company and get your customized Christmas greeting cards printed in any number. Once the stacks of your ordered cards are delivered at your door, all you need to do is write the name of the recipient and dispatch the card.