Which means you are trying to reply to a folder that does not exist. Outlook may crash while replying to an email because the delivery location or the folder where the message is going to be delivered is corrupt. The error statement that may pop-up while replying to an email is “Outlook not responding.” Why does Outlook crash while replying to an email? In this blog, we are going to discuss this issue and provide a suitable solution to it. One of such issues is crashing Outlook when trying to reply to an email. But as the user mentioned above, it is complicated sometimes and then it becomes difficult to deal with it. Outlook is a wonderful email client and I personally prefer Outlook for any sort of formal communication practices. If someone knows the causes and the solutions for this issue, please help.” I have restarted Outlook and the system, but nothing worked. Whenever I am trying to reply to an email in Outlook, it crashes. There are many things which I still need to learn and figure out, just like the recent issue I am facing. Although I found Outlook a bit interesting and worth exploring, I have started realizing that it is a bit complicated too. It is my first encounter with Outlook, so I am still unaware of my issues a user may face while using Outlook. “I have recently started using Outlook as my job requires it.