Microsoft Outlook and Gmail for Windows

 Ensure you are using the most recent version of Outlook and your operating system is up to date.

Add a Gmail Account to Outlook

On Windows

1. Open Outlook
2. Select File > Add Account
3. Enter your email address and click Connect
4. Outlook will launch a Gmail window that asks for your password. Enter your credentials and select Sign in
5. Once Outlook finishes adding your Gmail account, you can add another email account or select Done

On MacOS

1. Select Outlook > Preferences > Accounts
2. Click the plus (+) sign > New Account
3. Type your email address > Continue
4. Type your password > Continue
5. Click Continue
6. Select an account to sign in.
7. Allow permissions from Microsoft apps & services
8. Click Open Microsoft Outlook
9. Select Done

For more information, check out the official Microsoft documentation.