Office Depot takes 25% off metal filing cabinets. (Prices are as marked.) Plus, get $10 off orders of $50 or more via coupon code "45721251". Alternatively, take $25 off orders of $125 or more via coupon code "52366566". Combined, that's the best discount we've seen on these metal filing cabinets at Office Depot. Choose in-store pickup to avoid the $29.99 furniture delivery fee. Deal ends today.