Needs a Maxperks (loyalty) account. However that site is down and you can't sign up today.
So no deal for people not having maxperks account.
Maxperks site back up.
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For the latecomers re: Paypal 25% promo: link to OM/PP page:
PayPal is the safer, easier way to pay.
How it Works
Beginning August 24, 2008 through September 30, 2008 you can receive 25% Cash Back with no minimum purchase* at www.officemax.com when you use PayPal as a payment method.
Shop online for your back-to-school items with OfficeMax.
Once you have confirmed your order, click on the "Checkout" button.
On the "Secure Checkout" page where you select your method, select PayPal and click on the "Next" button.
You will be taken to the PayPal Login page where you can login to your PayPal account. You will see a message here that tells you may be eligible for Cash Back. Enter your password and log in.
Review your information on the following page. Here you will see a message to inform you if your purchase has qualified for the Cash Back promotion. To ensure that your purchase is eligible for the offer, it must be completed no later than September 30, 2008. To receive the offer, you must use a U.S. PayPal account in good standing. The maximum amount of Cash Back per PayPal account is limited to $50 USD.
Continue to the next page to confirm your transaction on the Office Max site.
The Cash Back payment will be deposited into your PayPal account by October 31, 2008.
* Receive 25% Cash Back ("Offer") with no minimum purchase at www.officemax.com when you use PayPal as a payment method. Offer begins August 24, 2008 and ends September 30, 2008. To ensure that your purchase is eligible for the Offer, it must be completed no later than September 30, 2008. To receive the Offer, you must use a U.S. PayPal account in good standing. The maximum amount of Cash Back per PayPal account is limited to $50 USD. The Cash Back payment will be deposited into your PayPal account by September 30, 2008.
The following transactions are excluded from this offer: PayPal Mobile transactions, PayPal Plug-In transactions (formerly named: Virtual Debit Card), gift certificate payments, PayPal Debit Card payments, payments made when you are not logged into your PayPal account, and PayPal Plus Credit Card/ eBay MasterCard payments not made through your PayPal account. If the payment is refunded or cancelled at any time, you are not eligible for the promotion. If the payment is refunded after you receive the Cash Back, PayPal will deduct the Cash Back amount from your account.
PayPal reserves the right to cancel, suspend or modify part or this entire Offer at any time without notice, for any reason in its sole discretion. This Offer cannot be resold or transferred.