Enable modern authentication for Microsoft Office 2013 on Windows devices
Basic authentication makes it easier for attackers to capture user credentials, which increases the risk of those stolen credentials being reused against other endpoints or services. Basic authentication is an outdated industry standard, therefore you’ll need to move from apps that use basic authentication to modern authentication.
The ability to use basic authentication in Exchange Online for Exchange ActiveSync (EAS), POP, IMAP, Remote PowerShell, Exchange Web Services (EWS), Offline Address Book (OAB), Outlook for Windows, and Mac is being removed.
This decision requires you to move from apps that use basic authentication to apps that use modern authentication.
Learn more about deprecation of basic authentication in Exchange Online.
Why you need to make the change
Microsoft Office 2013 on Microsoft Windows computers supports modern authentication. But, to turn it on, you need to configure specific registry keys.
What you need to do
Follow the steps in this article to enable Modern authentication for Office 2013 on Windows devices.
Note: Our Care team cannot walk you through making registry changes. (Statement of Support)
- Find out more about deprecation of basic authentication in Exchange Online from Microsoft.