outlook
Microsoft Outlook stops displaying inline SVG images used in attacks
Microsoft says Outlook for Web and the new Outlook for Windows will no longer display risky inline SVG images that are being used in attacks. This change began rolling out worldwide in early September 2025 and is expected to be completed for all customers by mid-October 2025. Redmond added that this change will affect less […]
New bug in classic Outlook can only be fixed via Microsoft support
Microsoft is investigating a known issue that causes the classic Outlook email client to crash upon launch, which can only be resolved via Exchange Online support. According to a recently published support document, this impacts Microsoft 365 customers who use classic Outlook on Windows systems. While the company didn’t specify the root cause of this ongoing issue, […]
Microsoft shares temp fix for Outlook encrypted email errors
Microsoft is investigating a known issue that triggers Outlook errors when opening encrypted emails sent from other organizations. According to a recently published support document, this issue affects users in all Office channels who are using the classic Outlook email client. “Currently, when using classic Outlook for Windows, you can’t open an OMEv2 encrypted email […]
Microsoft working on fix for ongoing Outlook email issues
Microsoft is working to resolve an Exchange Online issue causing email access problems for Outlook mobile users who use Hybrid Modern Authentication (HMA). HMA is a Microsoft Exchange Server feature that allows users to access on-premises mailboxes using authorization tokens from the cloud. Tracked under EX1137017 in the Microsoft 365 Admin Center, this known issue is caused by a recent […]
UK ties GRU to stealthy Microsoft 365 credential-stealing malware
The UK National Cyber Security Centre (NCSC) has formally attributed ‘Authentic Antics’ espionage malware attacks to APT28 (Fancy Bear), a threat actor already linked to Russia’s military intelligence service (GRU). The NCSC revealed in a detailed technical analysis of the Authentic Antics malware dated May 6th that it is stealing credentials and OAuth 2.0 tokens that […]
Microsoft: DNS issue blocks delivery of Exchange Online OTP codes
Microsoft is working to fix a DNS misconfiguration that is causing one-time passcode (OTP) message delivery failures in Exchange Online for some users. Recipients may receive a single-use access code via a separate email to open an encrypted message in Gmail, Yahoo, or other email clients without a Microsoft 365 subscription. This OTP message allows them to view […]
Microsoft fixes Outlook bug causing crashes when opening emails
Microsoft has fixed a known issue that will cause the classic Outlook email client to crash when opening emails or starting a new message. The bug impacts users across all Microsoft 365 Office channels who updated Outlook for Microsoft 365 earlier this month. “When you open or start a new email, classic Outlook crashes. This […]
Microsoft shares temp fix for Outlook crashes when opening emails
Microsoft has shared a workaround for a known issue that causes the classic Outlook email client to crash when opening or starting a new message. These problems affect users in the Monthly Enterprise Channel who updated Outlook for Microsoft 365 earlier this month, starting with Version 2504 (Build 18730.20122). “When you open or start a […]
Microsoft Outlook to block more risky attachments used in attacks
Microsoft announced it will expand the list of blocked attachments in Outlook Web and the new Outlook for Windows starting next month. The company said on Monday in a Microsoft 365 Message Center update that Outlook will block .library-ms and .search-ms file types beginning in July. “As part of our ongoing efforts to enhance security […]
Microsoft fixes Outlook paste, blank calendar rendering issues
Microsoft has confirmed several issues affecting Microsoft 365 customers using the “paste special’ option and the calendar feature in the classic Outlook email client. As the company explains, users in the Current Channel trying to use the Ctrl+Alt+V paste special keyboard shortcut will see that it doesn’t work after updating to Version 2503 Build 18623.20156 because of changes introduced […]