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 comfortable that the source of the add-ins is a person or company that you know, you can add them as a trusted publisher to unblock this add-in and any future add-ins the publisher signs with the same certificate.

When using Semi-Annual Enterprise Channel of Microsoft 365, you'll find that Microsoft 365 Copilot features are not available in your apps. 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.

A plus sign (+) in a shortcut means that you need to press multiple keys at the same time. A comma sign (,) in a shortcut means that you need to press multiple keys in order. This article describes the keyboard shortcuts, function keys, and some other common shortcut keys in Excel for Windows.

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. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak.

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.

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.

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.

Manage your Microsoft 365 subscription or Office product. You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts. Choose your account type.

Add-ins are supplemental programs that add custom commands or custom features to Office programs. You can obtain add-ins for PowerPoint at Popular Office downloads or on third-party vendor websites.