Office Depot Merchant Services is an iOS credit card processing app. Download this app once you've received payment gateway activation to allow you to begin processing transactions. The Office Depot Merchant Services online portal will allow a user to log in and monitor activity processed through the Office Depot Merchant Services Mobile Application. In addition to activity reporting, the Online portal will also allow a user to manage devices, configure receipts and resend transaction information to customers. Upon Office Depot Merchant Services account creation, an email with instructions to access the online portal will be provided.