If you buy your Microsoft Office product key from retailer you will find your key on Office physical box or product key card, a 25 character code printed on card.  A product key is combination of letters, numbers and hyphen in this format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

A Product box or Product key card may likewise contain bar codes and different gatherings of letters and numbers; however the product key will dependably be appeared in the pattern described previously. On the off chance that you don’t see the product key in this pattern, it may be clouded by a silver thwart covering. Carefully scratch off covering to uncover the product key.