Staples.com cuts $20 off purchases of office supplies of $75 or more via coupon code 91946. That's a stronger discount than our mention of $30 off $150 or more from three weeks ago (although that applied sitewide) and is one of the best dollar-off coupons we've seen from Staples in several months. Most orders that qualify for this discount will receive free shipping. The coupon is wide reaching but some exclusions apply, such as computers, tablets, and Amazon Kindle. Deal ends February 22.

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