Classic Outlook explodes when opening more than 60 emails

Microsoft has confirmed that opening too many emails at once in Classic Outlook could result in the application displaying an error before crashing. But don't worry; there's a registry change to fix it.

The problem afflicting Outlook 365, according to Microsoft, can occur when users open more than 60 emails at the same time. Outlook might then complain about a lack of memory or system resources and subsequently crash.

It's a scenario all too familiar to longtime Windows users. Badly behaved applications consuming resources until something fails is commonplace, and seeing an "Out of memory or system resources. Close some windows or programs and try again" message might trigger a sense of deja vu and irritation at whatever coding decision led to the problem.

Microsoft's advice? "Avoid opening more than sixty emails at the same time."

Alternatively, the company suggests a registry change to increase the ...