Learn how to view, install, and change settings for add-ins that enhance your productivity in Excel, PowerPoint, and Word. Find out how to deal with add-in security, compatibility, and device access issues.

Learn how to install, activate, inactivate, and uninstall add-ins for Excel. Find out where to locate add-ins and how to use them in your office program.

Learn how to install, use, and delete add-ins in Outlook for Microsoft 365, Outlook 2021, Outlook 2019, and Outlook on the web. Find out how to access add-ins from the store, custom files, or IT admin, and where to use them in messages, appointments, or meetings.

Learn how to import your settings and install your existing Outlook for Windows add-ins when you switch to new Outlook for Windows. See the list of settings and add-ins that are imported or installed, and how to manage them.

Learn how to install and use supplemental programs that add custom commands or features to PowerPoint. Find out where to get add-ins, how to activate them, and how to troubleshoot common issues.

Learn how to use, install, and remove Office add-ins from the Store. Watch a video tutorial and follow the steps to add or delete add-ins in Word, Excel, Outlook, and more.

Learn how to install, renew, cancel, or share your Microsoft 365 or Office product subscription. Sign in with your Microsoft account or find your Office product on Office.com.

Learn how to install and use Office add-ins in Excel for the web, a browser-based version of Excel. Find add-ins from the store, filter by category, rating, or search, and read more details before adding them.

Learn how to get Office Add-ins from the Store or use add-ins you already have for Word and Excel for Mac. Find out how to get Add-ins for Outlook for Mac, but not for Project for Mac.

Learn how to determine which COM add-ins are loaded in Microsoft Word and how to temporarily make them unavailable for troubleshooting. COM add-ins are supplemental programs that extend the capabilities of Word by adding custom commands and features.