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

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

How to use the SUMIFS function in Excel, one of Excel’s math and trig functions, to add arguments that meet multiple criteria.

Découvrez le web d’une toute nouvelle façon en basculant vers le navigateur Microsoft Edge à partir d’Internet Explorer ou d’Version antérieure de Microsoft Edge.

Training: With OneDrive, you can sync files between your computer and the cloud, so you can get to them from anywhere.

OneDrive is your online cloud storage within Microsoft 365. It lets you store your individual work files that you don't want your colleagues to have access to unless you choose to share the files with them.

Training: Get up and running quickly with our Outlook Quick Start. Learn how to add an email account and get started in Outlook.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Add voting buttons to a message so that recipients can vote; results are tracked automatically in Outlook.

Erfahren Sie, wie Sie Windows mit einem Product Key oder einer digitalen Lizenz aktivieren, Ihren Aktivierungsstatus überprüfen und Ihr Microsoft-Konto verknüpfen.