Hello, Amasloan.   

Thank you for reaching out to the Community.  

I believe this post is a duplicate and one of my colleagues already answered it. Let me route you to the original post. Here's the link below:    

https://quickbooks.intuit.com/learn-support/en-us/other-questions/re-outlook-crashing-when-sending-i.... 

Post a comment if you have any questions. I'll always make sure to get back to you. Stay safe!