Learn how to view, manage, and install add-ins that enhance Microsoft 365 programs with custom commands and features. Find out how to change add-in settings, access device capabilities, and troubleshoot common issues.

Learn how to add or remove optional commands and features for Excel using add-ins. Find out how to activate, deactivate, or uninstall add-ins from different sources and locations.

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, use, and delete add-ins in Outlook for Microsoft 365, Outlook 2021, Outlook 2019, and Outlook on the web. Add-ins are solutions that help you interact with Outlook and complete tasks on your messages and appointments.

If an Office add-in for Outlook isn’t showing up, you can enable it by clicking File > Manage Add-ins or Settings > Manage add-ins. Learn how to enable an app for Outlook and the new name for apps for Office.

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 install and use the Solver Add-in, a program that helps you solve complex problems in Excel. Follow the steps to load the add-in in Windows, macOS, or Android devices.

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.

Add-ins have access only to the data in the email message that you're working in. All add-ins are validated by Microsoft, including those that you install from the Office Store. For more information, see the privacy statement and the terms and conditions section in the add-in’s consent form.

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.