Microsoft Office 2016: OAuth2 Setup on Outlook Professional Plus

Microsoft Office 2016: OAuth2 Setup for Outlook Professional Plus

Microsoft Office 2016 has introduced a new authentication method called OAuth2, which allows users to securely connect their Outlook Professional Plus (16.0.5456.1000) MSO with other applications and services. This article will provide a detailed guide on how to set up OAuth2 for Outlook Professional Plus 2016.

What is OAuth2?

OAuth2 is an open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information on other websites but without giving them the passwords.

Why use OAuth2 for Outlook Professional Plus 2016?

Using OAuth2 for Outlook Professional Plus 2016 provides a more secure and flexible way of accessing user data. It eliminates the need for users to share their credentials with third-party applications, reducing the risk of security breaches. Additionally, OAuth2 allows for revoking access to specific applications without affecting the user's access to other services.

Setting up OAuth2 for Outlook Professional Plus 2016

To set up OAuth2 for Outlook Professional Plus 2016, follow these steps:

1. Open Outlook Professional Plus 2016 and go to File > Options > Add-Ins.
2. At the bottom of the page, click on Go... next to Manage: COM Add-ins.
3. Click on Add... and browse to the location of the OAuth2 add-in for Outlook.
4. Once the add-in is installed, go to Home > Get Add-ins and search for "OAuth2 for Outlook."
5. Click on "OAuth2 for Outlook" and then click on Add.
6. Once the add-in is added, go to Home > OAuth2 for Outlook and click on Settings.
7. In the settings page, enter the client ID and client secret for the application you want to connect to Outlook.
8. Click on Save and then click on Authorize.
9. You will be redirected to a page where you can grant permissions to the application. Follow the instructions to grant the necessary permissions.
10. Once the authorization is complete, you will be redirected back to Outlook and the add-in will be connected to the application.

Revoking Access

To revoke access to a specific application, go to Home > OAuth2 for Outlook > Settings and click on Revoke. This will revoke the application's access to your Outlook data.

References

• OAuth 2.0
• How to authenticate an EWS application by using OAuth
• Authentication and authorization in Exchange

This article provided a detailed guide on how to set up OAuth2 for Outlook Professional Plus 2016. By following the steps outlined in this article, you can securely connect your Outlook Professional Plus 2016 with other applications and services using OAuth2.

Please note that the instructions provided in this article are based on the version of Outlook Professional Plus 2016 (16.0.5456.1000) MSO and may vary for other versions.

This article does not constitute legal or professional advice and should not be relied upon as such. Please consult with a legal or professional advisor for advice specific to your situation.