You need to review the Azure AD sign-in logs to investigate sign-ins that occurred in the past. For how long does Azure AD store events in the sign-in logs? Posted on November 14, 2021 by Admin Leave a comment You have an Azure Active Directory (Azure AD) tenant. You need to review the Azure AD sign-in logs to investigate sign-ins that occurred in the past. For how long does Azure AD store events in the sign-in logs? 14 days 30 days 90 days 365 days Leave a comment Cancel replyYou must be logged in to post a comment.