You can redeem your key at to set up your Microsoft account and install Office. To buy a brand new copy of Office, or start a new Microsoft 365 subscription, you can buy an Office product key card from a retailer. They are two different types of keys, even though they use the same format. The Office product key shown on the Microsoft account, Services & subscriptions page will always be different than the product key that's shown on a product key card or email receipt. If you bought Office Professional Plus online, see Can I buy a product key? or, if your product key isn't working, see My Office product key isn't working.ĭo I need a product key to reinstall Office? If Office came pre-installed on your new device, and you see a yellow or red banner in an Office app that says PRODUCT NOTICE Most of the features of have been disabled because it hasn't been activated, you must start a new Microsoft 365 Family trial, sign in with a Microsoft account that's associated with Office, or buy Office. For help, see Renew Microsoft 365 for home. If you see a yellow or red banner in an Office app that says SUBSCRIPTION EXPIRED, you must renew your Microsoft 365 subscription to keep using Office. If you're using a volume license version of Office Professional Plus at work, you'll need to contact your admin for a product key. To locate your product key online, see Get your Workplace Discount Program product key. If you bought Office Professional Plus, Visio Professional, or Project Professional through your employer's Microsoft Workplace Discount Program benefit, you'll need your product key to install Office on a PC.

You can also enter the product key at There are a few exceptions where you'll need to do something other than sign in. Note: If you bought a new, unused Microsoft 365 product key card to renew an Microsoft 365 subscription or to buy your trial, you can enter that product key if Office prompts you for it.

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