Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com.

If you want to sign in on a remote computer to install Authenticator, follow these steps. Note: This feature is usable only by users whose admins have enabled remote sign-in. Open Authenticator, and then select > Add work or school account > Sign in. Select Sign in from another device.

The Welcome Guide for Microsoft 365 is designed specifically for small business employees like you. It walks you through installing and personalizing your apps, as well as securing your account. This guide ensures you have everything you need to start using Microsoft 365 with confidence. Get Started Now.

If you're having trouble getting your verification code for your personal Microsoft account, see Troubleshooting verification code issues. If your question wasn't answered here, we want to hear from you. Post your question to the Microsoft Authenticator forum to get help from the community.

You can set up an authenticator app to send a notification to your mobile device or to send you a verification code as your security verification method. You aren't required to use the Microsoft Authenticator app, and you can select a different app during the set up process.

Add Authenticator as a way to sign in every time. Using a one-time password code increases account security. This is called two-step verification. Add Authenticator as the only way to sign in - just tap an approval on your phone to sign in. This is called going passwordless.

Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your Microsoft account. It uses two different forms of identity: your password, and a contact method (also known as security info).

How to use the Microsoft Authenticator app. Go passwordless in Windows. Sign in to your Microsoft account with Windows Hello or a security key. When you can't sign in to your Microsoft account. Passwordless sign-in for work or school accounts.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

If a Microsoft 365 application such as Word or Excel isn’t working correctly, sometimes restarting it will fix the problem. If that doesn’t work, you can try repairing it. When you’re done, you might need to restart your computer. The steps to access the repair tool vary depending on your operating system.