Viruses or other Malicious Software:- In computer system, many viruses can infect and damage the emails and makes them inaccessible.

Corrupted Outlook Emails:- Emails with or without attachments can also be corrupted which causes crashing in MS Outlook.

Corrupted Configuration File:- In addition to PST, OST and profiles, Outlook has several other files like Outlook Configuration Files, which may also be corrupted.

Corrupted Outlook Profile:- Sometimes an Outlook profile might get corrupted leading to crashing of MS Outlook.

Corrupted Outlook PST File:- The most genuine reason for Outlook corruption, instability and unexplained weird behavior is a corrupted PST file.

Microsoft Outlook crashes due to following causes: Outlook crashes lead to very frustrating situation, because the problem usually occurs randomly and sometimes it gets difficult to determine the cause of the crash. Major problem with such mails is that user cannot delete such message, because as soon as these mails are accessed, Outlook crashes instantly.

These mails actually are emails that have gone corrupted. Sometimes, Microsoft Outlook may consist of some emails which when accessed, may crash Outlook. pst, which is a binary type file and stores entire Outlook data like emails, contacts, calendars, etc. MS Outlook stores the account data in the form of PST File (i.e., Personal Storage Table File) with an extension of.

Since its introduction, many versions have been developed and latest updated version is Outlook 2016.

Microsoft Outlook (MS Outlook) is a desktop-based application, developed by Microsoft in 1996, providing email facility to clients with an additional feature of personal information management.

Outlook crashes when opening profile