outlook
Microsoft Exchange Online outage blocks access to mailboxes
Microsoft is working to address an ongoing Exchange Online outage that is preventing customers from accessing their mailboxes and calendars. “We’re investigating reports of some users experiencing issues when accessing their Exchange Online mailbox via one or more connection methods,” Microsoft said when it acknowledged the issue at 06:42 AM UTC. As Microsoft explained in a Microsoft […]
Microsoft investigates classic Outlook sync and connection issues
Microsoft is investigating several issues causing email synchronization and connection problems when using the classic Outlook desktop client. The first bug causes “Can’t connect to the server” errors when creating groups in classic Outlook when Exchange Web Services (EWS) is enabled for the tenant. According to Microsoft, this occurs because the AD Graph call for […]
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 […]
Microsoft Store Outlook add-in hijacked to steal 4,000 Microsoft accounts
The AgreeTo add-in for Outlook has been hijacked and turned into a phishing kit that stole more than 4,000 Microsoft account credentials. Originally a legitimate meeting scheduling tool for Outlook users, the module was developed by an independent publisher and has been on the Microsoft Office Add-in Store since December 2022. Office add-ins are just URLs pointing […]
Microsoft fixes Outlook bug blocking access to encrypted emails
Microsoft has fixed a known issue that prevented Microsoft 365 customers from opening encrypted emails in classic Outlook after a December update. This bug affects users who try to open messages encrypted with “Encrypt Only” permissions, a policy that doesn’t restrict forwarding, printing, or copying the email. On impacted systems, users are seeing a message_v2.rpmsg attachment […]
Microsoft releases emergency OOB update to fix Outlook freezes
Microsoft has released emergency, out-of-band updates on Saturday for Windows 10, Windows 11, and Windows Server to fix an issue that prevented Microsoft Outlook classic from opening when using PSTs stored in cloud storage. Since Microsoft released the January 2026 Patch Tuesday updates, Outlook app users have been encountering freezes when opening the application if a PST […]
Microsoft: Outlook for iOS crashes, freezes due to coding error
Microsoft confirmed today that Outlook mobile may crash or freeze when launched on iPad devices due to a coding error. While this known issue may affect all users of Outlook for iOS version 5.2602.0 on an iPad, Microsoft says that they can work around it by launching Outlook after enabling Airplane Mode. “The latest Outlook […]
Microsoft shares workaround for Outlook freezes after Windows update
Microsoft shared a temporary workaround for customers experiencing Outlook freezes after installing this month’s Windows security updates. As explained one week ago, when Microsoft acknowledged the issue, the bug causes the classic Outlook desktop client to hang for users with POP email accounts who have deployed the KB5074109 security update on Windows 11 25H2 and 24H2 systems. Other […]
Microsoft: Windows 11 update causes Outlook freezes for POP users
Microsoft is investigating widespread reports that a January Windows 11 security update is causing the classic Outlook desktop client to freeze and hang for users with POP email accounts. POP (Post Office Protocol) is an email retrieval protocol used for downloading emails from a server to a local device. While POP isn’t as widely used […]
Microsoft: Classic Outlook bug prevents opening encrypted emails
Microsoft is investigating a bug preventing recipients from opening encrypted emails in classic Outlook after a recent update. This known issue affects users who try to open messages encrypted with “Encrypt Only” permissions, which also allows copying, printing, and forwarding. “After updating to Current Channel Version 2511 (Build 19426.20218) recipients may not be able to […]