This can be an annoying problem, and in order to fix it, be sure to check your antivirus and disable Email security features. Having a good antivirus is important, but sometimes your antivirus can interfere with your system and cause Outlook 2016 crashes, especially when viewing attachments. Share the attachment from a different program.How can I fix Outlook if it crashes when opening mails? This is a big problem, but you might be able to fix it by starting Outlook in Safe Mode.
To fix the issue, simply disable this add-in and check if that solves your problem. Outlook crashes can be problematic, and speaking of crashes, here are some common problems that users reported: This can be a big problem for some users, so let’s see how to fix this email issue. Many users use Outlook 2016 as their default email client, but sometimes Outlook 2016 crashes when opening an email with an attachment. Home › Outlook › Fix › Crashes when opening email