Microsoft 365 (iOS) Open the Outlook App: Sign In to Microsoft 365 > Get Started > Enter your Microsoft 365 email address Tap Add Account. Enter your password and tap Sign In. Allow Permissions: You may be prompted to allow Outlook to access your contacts, calendar, and notifications. Tap Allow to grant these permissions. If you have Multi-Factor Authentication (MFA) enabled, you will be prompted to verify your identity through your preferred MFA method (e.g., Microsoft Authenticator app, SMS, or phone call). Access Your Microsoft 365 Data: Once setup is complete, you'll see your Microsoft 365 email inbox and other folders in the Outlook app. You can access your calendar, contacts, and other features integrated into Microsoft 365 directly from the app.