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Microsoft Developers Guide

Microsoft will be deprecating Basic Authentication support for all Exchange Online accounts as of October 1, 2022.

Learn more through our Microsoft Exchange Online and Basic Auth Changes guide.

There are a few things to keep in mind to make sure your organization gets the best out of Nylas.

Choose an Authentication Method

Users will need to authenticate against your application. You can choose to have Nylas handle logging your users in, or you can build your own portal.

Now that you have decided on an authentication method, you can choose how to collect the user information. Microsoft has two authentication methods, Modern/OAuth or Basic.

Review each Microsoft setup to determine if you want to use Modern or Basic.

Office 365

Exchange

  • If your application needs contacts, you need to use EAS. Make sure the contacts scope for both Nylas and Azure is enabled.

Basic Authentication

  • Azure app is not needed.
  • Uses username and password to authenticate
  • If you have 2FA enabled, you need to provide the app password instead of the email password.
    • Check with
  • If you trying to enable one of the following personal accounts, you will have to use Basic Authentication.
    • Office 365
    • Outlook
    • Live
    • Hotmail
  • If the account is enabled using Active Directory, you can use Modern Authentication. Check with your administrator to determine the account type.

Service Accounts

What's Next?