Update your applications to use Microsoft Authentication Library and Microsoft Graph API

Today we're announcing end of support timelines for Azure AD Authentication Library (ADAL) and Azure AD Graph. Starting June 30th, 2020, we will no longer add any new features to ADAL and Azure AD Graph. We will continue to provide technical support and security updates but will no longer provide feature updates. Starting June 30th, 2022, we will end support for and Azure AD Graph and will no longer provide technical support or security updates. Apps using Azure AD Graph after this time will no longer receive responses from the Azure AD Graph endpoint.
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Deferred end of support date for Basic Authentication in Exchange Online

Last year we announced end of support for Basic Authentication for Exchange Web Services (EWS), Exchange Active Sync (EAS), Post Office Protocol (POP), Internet Message Access Protocol (IMAP), and Remote PowerShell (RPS) in Exchange Online. In response to the COVID-19 crisis and knowing that priorities have changed for many of our customers we have decided to postpone disabling Basic Authentication
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