PST (Personal Storage Table) is a storage file format that is used by different Microsoft programs. PST files are capable of keeping data of messages, contacts, calendars, events, etc. It is used by popular Microsoft softwares such as MS Outlook, Exchange, and Windows Messaging. In certain cases, you may need to parse a PST file and extract data from it programmatically. To achieve that, this article shows how to parse PST files from within the Python applications.