Outlook file corruption is one of the primary causes of PST to MBOX conversions. The ZOOK
PST to MBOX Converter utility allows you to convert PST files to MBOX files. Its innovative capabilities efficiently convert Outlook mailbox contents, such as emails, calendars, contact books, tasks, diaries, and so on. Furthermore, the conversion of PST files to MBOX format is not limited by file size. During converting, this program preserves the characteristics, formatting, and structure of the folder. It is fully supportable to PST file of all versions of Outlook.
PST to MBOX Migration Tool
