If you have those subscriptions and are not seeing Copilot in these Microsoft 365 apps, use our troubleshooter: Start. Or, follow these steps: Important: Copilot in Outlook only supports work or school accounts, and Microsoft accounts using outlook.com, hotmail.com, live.com, and msn.com email addresses at this time.

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.

There are many different types of email accounts you can add to Outlook, including an Outlook.com or Hotmail.com account, the work or school account you use with Microsoft 365, Gmail, Yahoo, iCloud, and Exchange accounts. Select a tab option below for the version of Outlook you're using.

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.

The new Outlook for Windows brings you the latest features, Microsoft Copilot-assisted capabilities, and a new modern and simplified design to help you connect, organize, and get things done.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card. Learn more.

Classic Outlook on Windows. If your accounts are supported in the new Outlook for Windows, you'll see a toggle in the upper right of classic Outlook to Try the new Outlook. Selecting this toggle will download the new app and let you switch to the preview. The new Outlook for Windows will launch into the account you have set as your default send ...

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 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.