Basic authentication with Exchange Online

For more information, see Disabling TLS 1.0 and 1.1 for Microsoft 365 and Preparing for TLS 1.2 in Office 365 and Office 365 GCC. Other changes related to connectivity to Microsoft 365 services Retirement of TLS 1.0 and 1.1Īfter October 15, 2020, you must be using at least TLS 1.2 to connect to Microsoft 365 services.

Readiness Toolkit for Office add-ins and VBA, to help identify potential issues with add-ins and VBA macros used in your organization.

Product lifecycle dashboard and upgrade readiness dashboard, for users of Microsoft Endpoint Configuration Manager (current branch).

Deployment guide for Microsoft 365 Apps, for technical documentation.

App Assure, for assistance from Microsoft with application compatibility issues.

Microsoft FastTrack, for migration and deployment assistance from Microsoft experts.

The following list provides some examples of resources that are available:

We provide various services to help you upgrade to subscription versions of the Office client. The most up-to-date subscription versions of the Office client are always supported connecting to Microsoft 365 services. We recommend that you upgrade older Office clients to a subscription version of the Office client, such as Microsoft 365 Apps for enterprise. Upgrade resources available to administrators

Therefore, administrators should update older Office clients to versions of Office supported for connecting to Microsoft 365 services. Organizations that use these older clients will almost certainly face an increased security risk and may find themselves out of compliance depending upon specific regional or industry requirements. Over time, these Office clients may encounter performance or reliability issues. Impact of using older Office clients to connect to Microsoft 365 servicesĪfter October 13, 2020, ongoing investments to our cloud services won’t take into account older Office clients. But these older clients may encounter performance or reliability issues over time. We won’t take any active measures to block other versions of the Office client that are still supported and are up to date, such as Office 2013 with Service Pack 1, from connecting to Microsoft 365 services.

Exchange online office 2013