(3 1/2 x 2 is the standard business card size in the USA). To make sure it is correct, look to the right to find the dimensions. Under Label Options go to Avery US Letter. For me, it was as easy as typing out my information and putting my sheet of cards in the printer. Still can’t seem to figure out how to print your business cards in Microsoft Word? Instead of just giving you the old “open Microsoft Word and figure it out”, here’s a rundown on how to print our business cards with no sweat involved (unless of course, you’re outside for some reason – it’s finally nice out WOO!).