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How can I make changes to my account?
To update your account, begin by selecting Sign In / Register. This is located in the upper right-hand corner of the Costco.com home page. To change your Sign In email address: Choose Account Deta... -
How do I subscribe to email offers?
To subscribe to Costco.com email offers, just follow these steps: Head to Costco.com here. Type in your email address. You also have the option to receive personalized announcements and recall infor... -
How can I update my email address that I use to log in to Costco.com?
To update your registered Costco.com email address simply: Visit the Costco.com home page and select Sign In / Register (located in the upper right-hand corner). Sign in using the existing email add... -
How do I unsubscribe from email offers?
There are several ways to opt out of our promotional emails. Option 1: Simply scroll to the bottom of any promotional email and select the "Unsubscribe" link at the bottom to stop receiving Costco o...