Microsoft 365
Microsoft fixes Outlook Classic crashes caused by Teams Meeting add-in
Microsoft has resolved a known issue that rendered the classic Outlook email client unusable for users who enabled the Microsoft Teams Meeting Add-in. The bug was first reported on March 12, when affected Microsoft 365 customers began experiencing Outlook crashes and prompts to start it in safe mode. Microsoft acknowledged the issue nearly a week later in […]
Microsoft fixes bug causing Classic Outlook sync issues with Gmail
Microsoft has fixed a known issue causing Gmail and Yahoo email synchronization problems for classic Outlook users. As the company explained earlier this month, the bug triggers 0x800CCC0F and 0x80070057 error codes when synchronizing Gmail and Yahoo accounts. Microsoft said that this type of email account stopped syncing as of February 26, 2026, and that, in […]
New KB5085516 emergency update fixes Microsoft account sign-in
Microsoft has released an emergency update to address a major issue that breaks sign-ins with Microsoft accounts across multiple Microsoft apps, including Teams and OneDrive. This issue appears after installing the KB5079473 cumulative update that Microsoft released as part of this month’s Patch Tuesday, and it warns users that the affected devices are not connected to the […]
Microsoft: March Windows updates break Teams, OneDrive sign-ins
Microsoft says the March Windows 11 update breaks sign-ins with Microsoft accounts across multiple Microsoft apps, including Teams and OneDrive. These sign-in issues appear after installing the KB5079473 cumulative update Microsoft released last week as part of this month’s Patch Tuesday, and, according to a Windows release health dashboard update published on Wednesday, will trigger warnings that […]
Microsoft stops force-installing the Microsoft 365 Copilot app
Microsoft has stopped automatically installing the Microsoft 365 Copilot app on Windows devices that have the Microsoft 365 desktop client apps. The Microsoft 365 Copilot app integrates the AI-powered Copilot assistant with Microsoft 365 suite apps, including Word, Excel, and PowerPoint, as well as other features like AI agents and Notebooks. The forced rollout began […]
Microsoft: Enabling Teams Meeting add-in breaks Outlook Classic
Microsoft is working to address a known issue that renders the classic Outlook email client unusable for users who have enabled the Microsoft Teams Meeting Add-in. “Some users may be unable to use Microsoft Outlook Classic while the Microsoft Teams Meeting Add-in is enabled,” Microsoft said in an admin center update under EX1254044. While it […]
Microsoft 365 Backup to add file-level restore for faster recovery
Microsoft will soon begin rolling out a significant upgrade to Microsoft 365 Backup to speed up recovery by allowing administrators to restore individual files and folders. Microsoft 365 Backup is a SharePoint, OneDrive, and Exchange backup and restore service designed to protect against data loss from ransomware, accidental deletion, or data corruption. Until now, Microsoft 365 […]
Microsoft adds Copilot data controls to all storage locations
Microsoft is expanding data loss prevention (DLP) controls to block the Microsoft 365 Copilot AI assistant from processing confidential Word, Excel, and PowerPoint documents, regardless of their location. Currently, Microsoft Purview DLP policies apply only to files stored in SharePoint or OneDrive, but not to those stored on local devices. This change will be deployed through […]
Microsoft says bug in classic Outlook hides the mouse pointer
Microsoft is investigating a known issue that causes the mouse pointer to disappear in the classic Outlook desktop email client for some users. This bug has been acknowledged almost two months after the first reports started surfacing online, with users saying that Outlook became unusable after the mouse pointer vanished while using the app. “My […]
Hackers target Microsoft Entra accounts in device code vishing attacks
Threat actors are targeting technology, manufacturing, and financial organizations in campaigns that combine device code phishing and voice phishing (vishing) to abuse the OAuth 2.0 Device Authorization flow and compromise Microsoft Entra accounts. Unlike previous attacks that utilized malicious OAuth applications to compromise accounts, these campaigns instead leverage legitimate Microsoft OAuth client IDs and the […]