Use an add-in while composing a message. Create a new message or reply to an existing one. From the ribbon, select the Message tab, then choose the add-in you want to use. If the add-in doesn’t appear in the ribbon, select Apps to view your installed add-ins.

Add-ins in Outlook.com are programs or utilities that help you automate tasks when you view or create messages. Microsoft has partnered with leading companies to build add-ins that help you get things done right from your inbox.

In the Office Add-ins dialog. click My Add-ins tab to view existing add-ins. Select the add-in from the list to load. If you are unable to view your add-in, select Refresh. If you are still unable to view, then you may have to install that add-in again.

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.

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.

When you select the Import Settings option during setup, the web add-in counterparts of your existing COM add-ins in classic Outlook for Windows are installed in the new client. The following table lists the applicable COM add-ins and their web add-in counterparts.

If you're looking for Help on specific Excel Add-ins, such as Solver or Inquire, see Help for Excel for Windows add-ins. If you're looking for additional help with Excel add-ins using the COM Add-ins dialog box, see Add or remove add-ins in Excel. Get a Microsoft 365 Add-in for Excel.

Click File > Get Add-ins. Alternatively, you can click Home > Add-ins. You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins box, click Store tab. Browse for the add-in you want.

Get an Office Store add-in. On the Insert tab, look for the Add-ins group. To get new add-ins, select Get Add-ins. To use add-ins you already have, select My Add-ins . The add-ins you'll see will depend on the kind of Microsoft 365 subscription you have.

Microsoft Office Excel support Automation Add-ins in addition to Component Object Model (COM) Add-ins. This article explains the differences between these two types of Add-ins. More Information