Exchange Online
The latest Exchange Online coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Seeks Feedback on Exchange Online Priority Cleanup V2 for Faster Permanent Mailbox Deletions
Microsoft is soliciting feedback on Priority Cleanup V2 for Exchange Online, a significant update to the mailbox deletion process that promises faster permanent removal of mailboxes while maintaining...
Exchange Online Public Folder Permission Denied: Microsoft Confirms Bug, Administrators Report Widespread Impact
Exchange Online administrators attempting to modify Public Folder permissions are encountering a persistent access-denied error that Microsoft has now confirmed as a bug. The issue, which began...
Exchange Online Gains Per-Connector SMTP DANE and MTA-STS Controls for Granular Email Security
Microsoft has introduced per-connector configuration options for SMTP DANE and MTA-STS validation in Exchange Online outbound connectors, giving administrators precise control over email transport...
Microsoft's EWS Retirement: Complete Guide to Migrating from Exchange Web Services to Microsoft Graph API (2026-2027)
Microsoft's retirement of Exchange Web Services (EWS) in Exchange Online represents one of the most significant API transitions in the company's history, with a concrete timetable now established for...
Exchange Online PowerShell Drops -Credential: Admins Must Adopt MFA by Full Removal Date
Microsoft's Exchange Online team has announced the deprecation of the long-standing -Credential parameter in Exchange Online PowerShell, marking a significant security shift that administrators must...
Exchange Web Services Retirement: Complete Migration Guide to Microsoft Graph by 2026
Microsoft has officially set the retirement timeline for Exchange Web Services (EWS) in Exchange Online, marking a significant shift in how organizations will interact with Microsoft's email and...
Exchange Online Moderation Enhanced with Actionable Messages & Streamlined Approvals
Microsoft is rolling out two significant updates to Exchange Online moderation designed to streamline administrative workflows and improve efficiency for IT teams managing organizational...
Microsoft Urges Exchange Online Users to Trust DigiCert G2 Root Certificate
Microsoft has issued an urgent advisory for organizations using Exchange Online, warning that failure to trust the DigiCert Global Root G2 certificate could disrupt email communications starting in...
Exchange Online SMTP AUTH Basic Authentication: Microsoft's 2026-2027 Removal Timeline Explained
Microsoft has significantly extended the timeline for organizations still relying on legacy SMTP AUTH with Basic Authentication in Exchange Online, replacing what was once a hard deadline with a more...
Microsoft Graph Message Trace Beta: Modernizing Exchange Online Email Tracking
Microsoft has officially launched the public preview of Message Trace support in Microsoft Graph, marking a pivotal shift in how organizations collect, query, and automate email trace data from...
Microsoft EAS 16.1 Enforcement: Complete Guide for Exchange Online Migration
Microsoft's upcoming enforcement of Exchange ActiveSync (EAS) protocol version 16.1 represents one of the most significant email security mandates in recent years, with a March 1, 2026 deadline that...
Exchange Online Archive Can Auto-Expand to 1.5TB with Three-Tier Quota System
Exchange Online mailbox quotas represent one of the most fundamental yet frequently misunderstood aspects of Microsoft 365 administration. While the concept of storage limits seems...