Microsoft releases second emergency Home windows 11 replace to repair Outlook crashes

Microsoft issued one other out-of-band replace to repair a bug that induced Outlook to crash for Home windows 11 customers. This second emergency patch addresses points seen with Outlook and recordsdata saved within the cloud following Microsoft’s January 2026 Home windows safety replace.

In line with Microsoft, this replace fixes a bug the place some apps that “open or save recordsdata saved in cloud-backed areas” turned unresponsive or displayed error messages. Some customers additionally skilled Outlook crashing or not opening when PST recordsdata are saved in cloud-based choices like OneDrive.

That is the second time this yr that Microsoft needed to challenge a last-minute repair for bugs associated to its January safety replace. Last week, some Home windows 11 units could not shut down or hibernate, whereas different units working Home windows 10 or 11 could not log in via distant connections. For extra context, Microsoft solely points out-of-band updates when there is a severe challenge that may’t wait till its common replace cycle. Luckily, the newest out-of-band replace is cumulative, so that you solely have to obtain and set up this one to repair the problems seen with the January replace.