MicrosoftMicrosoft enables Exchange Online auto-archiving by default Posted on October 8, 2025 by Onsite Computing, Inc. Microsoft is enabling threshold-based auto-archiving by default in Exchange Online to prevent email flow issues caused by mailboxes filling up faster than expected. […] Go to Source Author: Sergiu Gatlan Onsite Computing, Inc. Crimson Collective hackers target AWS cloud instances for data theft Microsoft 365 outage blocks access to Teams, Exchange Online