Learn why you received a notification about unusual activity in your account and what to do next.

How to change your Outlook signature or add a signature. Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date.

In Outlook, sometimes your outgoing messages get stuck in your outbox and just won't send. Learn about some ways to get them moving.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Learn how to change your Windows sign in from a local account to a Microsoft account to sync your settings across all your devices.

The Planner app in Microsoft Teams brings together all your tasks and plans across the Microsoft 365 ecosystem in a single convenient location.

Enjoy advanced protection against phishing and malware, no ads, and other premium features for your Outlook.com account – all part of your Microsoft 365 subscription.

Learn how to change or reset your Windows password if you've forgotten or lost it.

Find out how to change the color of the Start menu, taskbar, and action center with dark and custom mode personalization settings.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.