SECURITYQUIET
9 days ago
Microsoft Outlook to block MSIX attachments starting November
SIGNALSMONITORSECURITY
What's happening
SignalsMonitor is following this as a security story. BleepingComputer is the outlet attached so far. The first report grouped here was at 7 Oct 2026, 15:44 UTC. The headline in use is “Microsoft Outlook to block MSIX attachments starting November”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
Microsoft announced that it will add. msix and.
BleepingComputerRead at BleepingComputer
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by BleepingComputer
Microsoft Outlook to block MSIX attachments starting November
Reported by 1 outlet
- BleepingComputer
- BleepingComputerMicrosoft Outlook to block MSIX attachments starting November