Most RecentMost ViewedMost LikesIntroducing Exchange Online Tenant Outbound Email Limits We’re introducing new tenant-level outbound email limits (also known as the Tenant External Recipient Rate Limit or TERRL). Local Move Requests in Exchange Online – Why They’re Not Supported We wanted to explain why using Local Move Requests in Exchange Online is not a good idea as a general practice. Auto-Archiving for Exchange Online We are happy to announce the time-based archiving feature for Exchange Online users with archives. Introducing Cloud-Managed Remote Mailboxes: a Step to Last Exchange Server Retirement We are excited to announced a feature that enables cloud management of email properties for users with remote mailboxes. Announcing General Availability (GA) of the New Message Trace in Exchange Online We are excited to announce the GA of the new Message Trace in the Exchange admin center (EAC) in Exchange Online. Disabling New-MoveRequest for Local Mailbox Moves We have decided to disable the usage of New-MoveRequest for manual moves within the M365 datacenters. Please expect to see this change take effect after April 15, 2020. Exchange Online canceling the Mailbox External Recipient Rate Limit The Mailbox External Recipient Rate Limit in Exchange Online is being canceled. Cloud-Managed Remote Mailboxes: Now Generally Available! We are happy to announce General Availability of cloud-managed Remote Mailboxes. Exchange Online to introduce External Recipient Rate Limit Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rate limit of 2000 recipients in 24 hours. Retirement of Exchange Web Services in Exchange Online Today, we are announcing that on October 1, 2026, we will start blocking EWS requests from non-Microsoft apps to Exchange Online.