Get $20 off qualified Office products when you buy a qualified PC or Surface. Offer valid from January 28, 2013 to January 1, 2020. Available in Microsoft retail and online store in the United States (including Puerto Rico) and Canada only. Excludes Office 365 University and Office 365 1 month subscription. Not valid on prior orders or purchases; cannot be transferred or otherwise redeemed for cash or coupon code(s). Not combinable with other offers. Refunds will take into account the discount. Price does not include taxes, shipping or other fees. Void where prohibited or restricted by law. Microsoft reserves the right to modify or discontinue offers at any time. Limit three discounted copies of Office per customer.