How to Add a Microsoft 365 Email Account to the Native Mail App on macOS Print

Overview

This guide walks you through adding your Microsoft 365 email account to the built-in Mail app on your Mac. Once set up, you will be able to send and receive email directly through the Mail app.

Step 1 - Open System Settings

1. Click the Apple menu in the top-left corner of your screen
2. Select System Settings (or System Preferences on older macOS versions)

Step 2 - Go to Internet Accounts

1. In the left menu, scroll down and select Internet Accounts
2. A list of account types will appear

Step 3 - Add a New Account

1. Click the Add Account button
2. From the list of options, select Microsoft Exchange

Step 4 - Enter Account Information

1. In the window that opens, enter the following details:
   • Name - your name as you want it to appear on sent emails
   • Email Address - your full Microsoft 365 email address
2. Click Sign In

Step 5 - Authenticate with Microsoft 365

1. A Microsoft 365 sign-in window will appear
2. Enter your full Microsoft 365 email address and password
3. Complete Multi-Factor Authentication (MFA) if prompted

Step 6 - Choose What to Sync

1. Once signed in, macOS will ask which items you want to sync with this account
2. Select Mail at minimum (you may also enable Contacts, Calendar, or Notes if desired)
3. Click Done

Step 7 - Confirm in the Mail App

1. Open the Mail app
2. Your Microsoft 365 account should now appear in the left-hand sidebar
3. Send a test email to confirm everything is working correctly

Notes

• If you have trouble signing in, verify your credentials by logging into https://outlook.office.com first
• Make sure your Mac is running the latest macOS updates for best compatibility