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Outlook
A family of Microsoft email and calendar products.
3,855 questions
Hello,
I'd be happy to try to provide clear instructions on how to sync Microsoft Outlook with Google Workspace using OAuth 2.0 authentication. Since you're currently syncing via IMAP, switching to OAuth 2.0 will enhance security and comply with Google's updated authentication requirements.
Overview
To sync Outlook with Google Workspace using OAuth 2.0, you'll need to:
- Prepare Your Google Workspace Environment:
- Ensure that the necessary APIs are enabled.
- Configure OAuth consent and credentials.
- Ensure that the necessary APIs are enabled.
Set Up Outlook for OAuth 2.0 Authentication:
- Update Outlook to the latest version.
- Configure your email account in Outlook using OAuth 2.0.
Step-by-Step Instructions
1. Prepare Your Google Workspace Environment
a. Enable API Access
- Access Google Admin Console:
- Navigate to admin.google.com and sign in with your administrator account.
- Go to Security > API Controls.
- Ensure that API access is enabled.
b. Create a Google Cloud Project
Access Google Cloud Console:
- Navigate to console.cloud.google.com.
Create a New Project:
- Click on the Select a project dropdown at the top.
- Click New Project.
- Enter a Project Name (e.g., "Outlook OAuth Setup") and click Create.
c. Enable Gmail API
Select Your Project:
- Ensure your newly created project is selected.
Enable the API:
- Go to APIs & Services > Library.
- Search for Gmail API.
- Click on Gmail API and then click Enable.
d. Configure OAuth Consent Screen
Access OAuth Consent Screen:
- Go to APIs & Services > OAuth consent screen.
Choose User Type:
- Select Internal if your users are within your organization.
- Click Create.
App Information:
- App name: Enter a name (e.g., "Outlook Integration").
- User support email: Select your email.
Developer Contact Information:
- Enter your email address.
Scopes (Optional for Internal Apps):
- You can skip adding scopes since it's an internal app.
Save and Continue:
- Click Save and Continue through the scopes and summary pages.
e. Create OAuth Client ID
- Access Credentials:
- Go to APIs & Services > Credentials.
- Click on + CREATE CREDENTIALS and select OAuth client ID.
- Select Desktop app. Name: - Enter a name (e.g., "Outlook Desktop App"). Create Client ID: - Click Create.
Retrieve Client ID and Client Secret:
- After creation, you'll see your Client ID and Client Secret.
- Note: Keep these credentials secure.
2. Set Up Outlook for OAuth 2.0 Authentication
a. Update Microsoft Outlook
- Ensure Outlook is Up to Date:
- Open Outlook.
- Go to File > Office Account > Update Options > Update Now.
- Open Outlook.
b. Configure Your Email Account in Outlook
Add a New Account:
- In Outlook, go to File > Add Account.
Enter Email Address:
- Input your Google Workspace email address.
- Click Connect.
Select Account Type:
- Choose IMAP (since POP3 is less commonly used).
Configure Incoming and Outgoing Server Settings:
Incoming Mail Server:
- Server: `imap.gmail.com`
- Port: `993`
- Encryption Method: `SSL/TLS`
Outgoing Mail Server:
- Server: `smtp.gmail.com`
- Port: `465` or `587`
- Encryption Method: `SSL/TLS` (for port 465) or `STARTTLS` (for port 587)
**Click on Next.
Authenticate via OAuth 2.0:
- A Google sign-in window will appear.
- Enter your Google Workspace email and click Next.
- Enter your password and click Next.
- Grant permissions when prompted.
Finish Setup:
- Once authentication is successful, Outlook will finalize the setup.
- Click Finish to complete.
Important Notes
No Need for Client ID in Outlook Configuration:
- When setting up Outlook with Google Workspace using OAuth 2.0, you typically don't need to manually input the OAuth Client ID and Client Secret into Outlook. The authentication is handled via the Google sign-in window that appears during setup.
App Passwords:
- If OAuth 2.0 isn't working due to organizational policies, you might need to use an App Password. However, Google is phasing out support for less secure app access, so OAuth 2.0 is the recommended method.
Administrator Policies:
- Ensure that your Google Workspace administrator hasn't restricted OAuth access or third-party mail clients. If they have, you'll need to adjust those settings in the Google Admin Console.
Troubleshooting
- Authentication Window Doesn't Appear:
- Ensure that your default browser is up to date and not blocking pop-ups.
- Check that Outlook is updated to the latest version.
- Ensure that your default browser is up to date and not blocking pop-ups.
- Error Messages During Setup:
- Verify that IMAP access is enabled for your account:
- Log into Gmail via a web browser.
- Click the Settings gear icon > See all settings.
- Go to the Forwarding and POP/IMAP tab.
- Ensure IMAP Access is enabled.
- Verify that IMAP access is enabled for your account:
- Organizational Restrictions: Contact your Google Workspace administrator to ensure that:
- IMAP Access is enabled for the organization.
- The necessary OAuth scopes are allowed.
- External applications like Outlook are permitted.
- IMAP Access is enabled for the organization.
Additional Resources
- Google Workspace Admin Help:
- Allow email clients to use IMAP
- Microsoft Support:
- Google OAuth Client Verification:
- For internal applications within an organization, you don't need to submit for verification.
- If developing a public app, you would need to go through Google's verification process.
I hope this helps! Let me know if you have further questions or updates after trying these solutions.
Best regards,
msftep