Update - We are investigating an update to the Affinity platform that will work around the issue caused by Microsoft's recent change and restore SSO login behavior for Windows Outlook Desktop App users. Mac Outlook and the Affinity web application are unaffected and can be used as a workaround in the interim.
Jul 10, 2026 - 13:28 PDT
Identified - Some users on Windows Outlook Desktop App are unable to complete SSO login to the Affinity Outlook Add-in. This is due to a recent change on Microsoft's end affecting how Outlook on Windows handles authentication redirects. Mac Outlook is unaffected. As a workaround, users can access Affinity via the web application.
Jun 30, 2026 - 09:06 PDT