Most of the people prefer using Microsoft 365 as it is easy as well as safe and it also integrates effortlessly with many devices and applications. Undoubtedly, Microsoft 365 is very useful but it also hangs at a regular interval of time. There are also times, when you get Microsoft 365 not responding error. Or else, it is stuck on a screen that just only displays processing. Does your Microsoft 365 also hangs or freezes while sending or receiving emails? If so, then put a call on Microsoft Office 365 Support number or follow the below points to resolve this issue in a well-organized manner.