Use a Store add-in to add new tools or features to Office. Get an Office add-in. Select Insert > Store. In Outlook, select Home > Store. Browse the list of Office Add-ins or search for one in the search box. Select an add-in to learn more about it. Select Add or Buy for the add-in you want.

Select File > Get Add-ins. Alternatively, you can also view your add-ins directly from the Home tab by selecting Add-ins . You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins dialog, select My Add-ins tab.

In Outlook, click File > Manage Add-ins. In Outlook Web App, click Settings > Manage add-ins. Under Manage add-ins, in the Turned on column, select the check box for the add-in you want to enable. Learn how to enable an app for Outlook.

For guidance on how to locate the Apps button to access add-ins while reading or composing a mail item, see Use an add-in in Outlook. In the Apps page, search for the add-in you want from the available list. Alternatively, if you're after a specific add-in, enter its name in the search box.

The Restrict users to the explicitly permitted list of snap-ins Group Policy setting lets you selectively enable or disable specific Microsoft Management Console (MMC) snap-ins. However, before you enable this setting, you must enable the settings in the "Restricted/Permitted snap-ins" folder for MMC snap-ins that you want to use.

You can use the new web Office Add-ins in most of the Office 2016, Office 2019, and Microsoft 365 applications. Select a heading below to open it and see the detailed instructions.

If you don’t see Add from Office Store as an option on the Outlook Web App options page under Apps > Installed apps > , you may be able to install Apps for Outlook from a URL or file location. For more information, contact your service provider.

Certain types of accounts do not have add-ins enabled yet. You should be seeing the add-in features mentioned in "What are add-ins and how do they work?" if you have a Microsoft 365 or Outlook.com account.

Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Set up Office apps and email on a mobile device. Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.

When you install the web version of Outlook as a progressive web app, you can do things like pin and launch the web version of Outlook from your computer's home screen or task bar and access your account while you're offline.