Sign in to Outlook with Microsoft 365 to access your email, calendar, and more. Download the app or log in online for enhanced organization and productivity. Access and manage your Microsoft applications securely with My Apps. Unfortunately, it's all too easy for criminals to pretend to be someone they're not, and this is what's happening with a new fake Microsoft email going around. If you've received a notification from Microsoft that threatens to expose your private data, it's probably a scam—even if it's coming from a Microsoft account. With your Outlook login and Outlook on the web (OWA), you can send email, check your calendar and more from – all your go-to devices. Can’t access your account? Terms of use Privacy & cookies. Sign in to your Outlook account to manage emails and access Office 365 services. Access your mailbox, manage emails and organize your communication seamlessly by signing in to your account. Explains how to determine if an email claiming to be from Microsoft support is genuine or a phishing scam. A fake Microsoft “Important Mail” email is spreading fast. Learn the red flags, what happens if you click and how to protect yourself now.