Learn how to sign in, run the setup, and activate Microsoft 365 or Office 2021 on your device. Find out the system requirements, product keys, and troubleshooting tips for Office 2021 installation.

Learn about the new co-authoring, inking, data, and motion graphics tools in Office 2021. Compare Office 2021 with Microsoft 365 and Office LTSC 2021 for commercial customers.

Get Microsoft 365 apps like Excel, Word, and PowerPoint. Get the fully installed and latest versions of Excel, Word, PowerPoint and Outlook, and OneNote for Windows or Mac. You'll always get the latest features, new tools, security updates, and bug fixes. (PC users also get Access and Publisher.) Feature updates.

Learn about the features, support, and system requirements of Office 2021 and Office LTSC for Windows and Mac. Compare them with Microsoft 365 subscription plans and find out how to install and use them.

What's new in Word 2021 for Windows. Word 2021 for Windows enables you to create compelling content and includes co-authoring, new stock media from the Office Premium Creative Content collection, and new Draw tab additions such as Point Eraser, Ruler, and Lasso.

Excel 2021 for Windows allows you to collaboratively work with others and analyze data easily with new Excel capabilities including co-authoring, Dynamic Arrays, XLOOKUP, and LET functions. Note: Some features listed below are not included in Excel LTSC 2021 for commercial customers.

Office 2021, Office 2019, Office 2016, or Office 2013 versions available as one-time purchases: The following products include the fully installed Office applications. Office Home & Student Office Home & Business Office Professional. Stand-alone Office 2021, Office 2019, 2016, or 2013 apps available as one-time purchases Word Excel

PowerPoint 2021 for Windows lets you create compelling content with the addition of features including co-authoring, Ink Replay, improved slide show recording, new stock media from the Office Premium Creative Content collection and new Draw tab additions such as Point Eraser, Ruler, and Lasso.

What's new in Outlook 2021 for Windows - Microsoft Support. Outlook 2021 for Windows lets you better manage your inbox with the addition of new capabilities including Search at Top and Translator.

If you need support with Office 2021, 2019, or previous versions, these resources may be helpful for you. Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.