Exchange Online
The latest Exchange Online coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Outlook Web Outage in March 2025: Faulty Code Update Disrupts Millions
Microsoft Outlook on the Web Outage: Causes, Impact, and Solutions Introduction On March 1, 2025, Microsoft Outlook on the Web experienced a significant service outage that disrupted millions of...
Exchange Online Outage: 4-Hour Email Disruption and Workarounds for Businesses
Microsoft Exchange Online experienced a significant outage affecting thousands of users worldwide, disrupting email services and calendar functionality for businesses relying on Microsoft 365. The...
Microsoft Exchange Online Tightens Outbound Email Limits: Impact and Insights for IT Administrators
Introduction Microsoft has announced new outbound email limits for its Exchange Online service, introducing a Tenant External Recipient Rate Limit (TERRL). This change is part of Microsoft's ongoing...
2025 Microsoft 365 Overhaul: Retirement of Legacy Features and Essential Guidance for IT Admins
Introduction Microsoft announced major changes coming in 2025 affecting the Microsoft 365 ecosystem, signaling the retirement of legacy features and tools crucial to IT administration and end-user...
Microsoft Search-UnifiedAuditLog Changes: HighCompleteness Parameter Locked in January 2025
Microsoft Search-UnifiedAuditLog Changes: HighCompleteness Parameter Locked in January 2025 Microsoft has announced a significant upcoming change to the Search-UnifiedAuditLog cmdlet in Exchange...
Enhanced Message Trace in Exchange Online: A New Era for IT Admins
Introduction Microsoft has officially launched the public preview of its enhanced Message Trace experience in Exchange Online's Exchange Admin Center (EAC), marking a significant advancement in email...
Microsoft Details Nov 2024 M365 DNS Error After Six-Hour Global Outage
On November 15, 2024, Microsoft 365 experienced a significant outage that disrupted services for millions of users worldwide. The incident, which lasted approximately six hours, affected core...
Microsoft 365’s 2023 outage hit 62M users for 8 hours, spurring $1.2B in cloud resilience upgrades.
Microsoft 365 experienced a significant outage that disrupted millions of users worldwide, highlighting the fragility of cloud-dependent workflows. The June 2023 incident lasted approximately 8...
Microsoft Services Outage November 2024: Causes, Impact, and Recovery Strategies
Microsoft experienced a significant global outage in November 2024 that disrupted multiple cloud services including Microsoft 365, Exchange Online, Teams, and Outlook. This widespread service...
Microsoft 365 Outage Sweeps Millions: Authentication Glitch Disrupts Outlook, Teams, and Exchange Online
Microsoft 365 Outage: Millions Impacted as Authentication Issues Cripple Core Services In a dramatic disruption reminiscent of a critical system failure in a high-stakes thriller, Microsoft 365...
Microsoft 365 Global Outage: Major Disruptions Strike Outlook, Teams, and Exchange Services
Overview of the Microsoft 365 Outage On a recent Saturday afternoon, Microsoft 365 experienced a significant global outage that disrupted multiple core services including Outlook, Exchange Online,...
Global Microsoft 365 outage hits Exchange, Teams, SharePoint for hours
Microsoft 365 Outage: Global Disruption Affects Users on November 25, 2024 On November 25, 2024, Microsoft 365 users worldwide experienced a significant outage, disrupting access to critical cloud...