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.

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.

Alternatively, in Word, Excel and PowerPoint you can view your add-ins by selecting Home > Add-ins. You can directly install popular add-ins on the page or go to. Select the add-in and select Add. Or browse by selecting Store tab in the Office add-in dialog to find other add-ins to install and select for that add-in.

Click the drop-down menu on any email message in Outlook.com, and then select Get Add-ins or select More apps in the app bar and select Add apps. On the Add-ins for Outlook page, select the add-in. For free add-ins, click Add .

Add or remove add-ins in Excel. Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them.

Outlook add-ins provide solutions to help you better interact with Outlook and complete tasks on your messages and appointments without leaving Outlook. Install an add-in from AppSource. From the Tools menu on the ribbon in Outlook, select Get Add-ins. The AppSource page opens in your default browser.

Go to Profile & system > Settings > Account > Subscriptions. Choose the subscription that you want to manage, and then follow the steps to cancel. If eligible, you may be prompted to initiate a refund for your subscription.

Learn more about product keys, Workplace Discount Program, and volume licenses. Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup.

For general guidance about how to manage add-ins, see View, manage, and install add-ins in Office programs. For additional steps for admins and IT pros, see Resolve issues with Teams Meeting add-in for Outlook. This topic offers troubleshooting tips if you don't have the Teams Meeting add-in in Outlook for Windows.

In order to use the features enabled by your assigned Copilot license, you'll need to switch to Current Channel or the Monthly Enterprise Channel. For assistance with getting your device moved to the correct Microsoft 365 update channel, contact your internal help desk or technical support.