Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using Outlook for iOS.

Registering your Microsoft device. Before you can check your warranty or get service, you may need register your Surface or Xbox to your account.

Learn how to convert Word to PPT and take your presentations to the next level. Transform your Word documents into stunning PowerPoint presentations.

Learn how to use the Groove app on Windows 10 to play your favorite music.

If you have multiple accounts in Outlook, when you compose a new email message, Outlook picks the default account as the From account.However, if you want to Reply, Reply All, or Forward a message, Outlook will send your message with the same account the original mail was sent to.For example, Cheryl has two accounts.

Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.

Learn how to change app notifications, banners, and sound settings in Windows.

Learn about co-authoring and editing PowerPoint presentations at the same time as other people and how to resolve conflicting changes in PowerPoint.

Training: In Microsoft Outlook, you can add contacts and stay organized. Watch this online training video to see how.

In the new Outlook for Windows, a toggle appears at the top right of the Outlook window. While the toggle is turned on, if you try to launch classic Outlook for Windows or Windows Mail you'll be automatically redirected to new Outlook for Windows.