OfficeMax: $10 off $30 Coupon January 20, 2011 This post may contain a link to an affiliate. See my disclosure policy for more information. OfficeMax just released a new coupon valid for $10 off a purchase of $30 or more! It’s valid today, January 20th through January 22nd only, so hurry and make use of it! **Don’t forget about the OfficeMax freebies you can score online!