Exchange Online
The latest Exchange Online coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft 365 Business Premium Mailboxes Get 100 GB: Why You Still Need Plan 2 for Some Users
On July 10, 2026, Microsoft began upgrading eligible Business Premium mailboxes to 100 GB, erasing a long-standing differentiator between the small-business plan and enterprise E3/E5 licenses. The...
Exchange Online's Meeting Organizer Transfer Cmdlet: Rollout Timeline, Limitations, and How to Test It
Microsoft has begun rolling out a new Exchange Online PowerShell cmdlet that allows administrators to change the organizer for an existing meeting or recurring series—a capability that has been...
Microsoft to Retire Exchange Online EWS: Start Hunting for Your Hidden Dependencies Now
Microsoft has begun phasing out Exchange Web Services (EWS) in Exchange Online, and the clock is ticking for thousands of organizations that still rely on the legacy protocol to keep critical...
Exchange Online to Block Non-Microsoft Apps Using EWS Starting October 2026
Microsoft has confirmed that Exchange Online will start blocking Exchange Web Services (EWS) requests from non-Microsoft applications on October 1, 2026, marking the beginning of the end for a...
Millions of Outlook Rules Are Failing Silently—Here’s How to Fix Yours
Outlook rules—those handy little automations that sort, forward, and mark emails—are breaking for users across every version of Microsoft’s email client, from the shiny new Outlook for Windows...
Microsoft Gives IT Admins Extra Six Months to Replace Exchange Online PowerShell Password Scripts
The cutoff for using stored credentials in Exchange Online automation is moving from July 2026 to December 2026, Microsoft confirmed in an updated Message Center advisory on July 16. The change...
Microsoft Restarts Planner Rollout in New Outlook, Tightening Task and Inbox Integration
Microsoft is resuming the rollout of Planner inside the new Outlook for Windows, placing team and personal task management directly into the email client after a two-month pause. The integration,...
Exchange Online DLP to Get Granular Failure Handling: Preview Starts This Month
Microsoft is gearing up to release a long-awaited refinement to its Data Loss Prevention (DLP) engine in Exchange Online: the ability to craft distinct policies for different types of content-scan...
Microsoft’s Cross-Tenant Message Recall for Exchange Online Arrives in August
Microsoft announced on July 10, 2026, that Exchange Online will gain a cross-tenant message recall feature, rolling out in mid-August. The new capability allows a sender in one Microsoft 365 tenant...
Microsoft 365 Backup to Automate Protection Across All Workloads with Unified Policies in July 2026
Microsoft is readying a significant update to its Microsoft 365 Backup service that will let administrators create a single policy to protect Exchange Online, OneDrive for Business, and SharePoint...
Microsoft’s August surprise: Graph archive access lands just before EWS shutdown
Microsoft has quietly filled a critical gap in its Exchange Online modernization plan. On July 7, 2026, the company added a new feature to its Microsoft 365 Roadmap (ID 567313) that will let...
Outlook on the Web Gets ‘Reply with Template’ Rule, Slated for September 2026
Microsoft has added a long-requested automation feature to its Microsoft 365 roadmap: the ability for Outlook on the web to automatically reply to emails using a predefined template. The feature,...