How to Log into Microsoft 365 for the First Time, Set Up Two-Factor Authentication, and Change Your Password


This guide will walk you through signing into your Microsoft Outlook account for the first time, setting up two-factor authentication (2FA), and updating your password for security.


🌐 Step 1: Access Outlook on the Web

Open a web browser.

Go to https://outlook.office.com.

Enter your work email address (e.g., yourname@company.com) and click Next.

Enter your temporary password: Changeme123-

Click Sign In.


📱 Step 2: Set Up Your Phone Number for Security

After signing in, you'll see a More information required screen.
→ Click Next



⚠️ IMPORTANT:

On the Keep your account secure screen, scroll down and click
👉 "I want to set up a different method"

➤ This step is critical — do not continue with the default option.


Choose Phone as the method.

Enter your mobile number, select text or phone call, and click Next.

Enter the 6-digit verification code you receive, then click Next.

Once verification is complete, click Next again.


🔒 Step 3: Change Your Password

You’ll be prompted to update your password.

Enter a new password that includes an uppercase letter, lowercase letter, number, and symbol.

Confirm the new password by entering it again.

Click Submit to save changes.


✅ Step 4: Final Confirmation

You may be asked if you want to stay signed in.

Click Yes to continue to your Outlook inbox.


🎉 You're all set! Your Microsoft Outlook account is now secured and ready to use. If you have any issues, contact IT support for assistance.