Learn more about the differences between Microsoft 365 and Office 2021 in Office Support, or use the comparison chart to help you pick the right Office version for your needs. One-time purchases don’t have an upgrade option, which means if you plan to upgrade to the next major release, you'll have to buy it at full price. Office 2021 is a one-time purchase that comes with classic apps like Word, Excel, and PowerPoint for PC or Mac, and does not include any of the services that come with a Microsoft 365 subscription. With a subscription, you get the latest versions of the apps and automatically receive updates when they happen. The apps can be installed on multiple devices, including PCs, Macs, iPads, iPhones, Android tablets, and Android phones. Microsoft 365 also comes with services like 1 TB of OneDrive storage, 60 Skype minutes per month, and Microsoft chat and phone support. If you still need help with your product key, visit our Microsoft support page for help.Microsoft 365 is a subscription that comes with premium apps like Word, Excel, PowerPoint, OneNote, Outlook, Publisher, and Access (Publisher and Access available on PC only). Sometimes these product keys are printed on counterfeit labels or cards with a download link to Microsoft software, and sometimes they’re distributed with software media that is unauthorized for resale, such as promotional media, original equipment manufacturer reinstallation media, or other Microsoft program-specific media. Unfortunately, there are many dishonest sellers who offer stolen, abused, or otherwise unauthorized Microsoft product keys for sale. If you bought a product key separate from the software, it’s very possible the product key was stolen or otherwise fraudulently obtained, and subsequently blocked for use. If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund. Having problems with your product key? I can't find my product keyįor help with finding your product key, select your version of Office below: Step 3: Follow the prompts to finish the redemption and setup process.

Step 2: Enter Office product key without hyphens, and then select Next.

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