Suppose youre using Outlook 2007, 2010, or older versions of Outlook 2013 and Outlook 2016.
In that case, youll soon receive an alert that says your admin has blocked your Outlook version.
Contact your administrator for assistance.
The block will affect Outlook 2010 users in the coming weeks.
For more information, contact your IT admin, and checkOutlooks end of support roadmap.
The company is also working on adding support for HTTP/2 in Microsoft 365, an enhanced security protocol.
Thats why youre getting an alert that says your admin has blocked your Outlook version.
