MS Outlook preferred format to save its data like emails

MS Outlook preferred format to save its data like emails, contacts, calendars etc. is PST file (Outlook.pst). This enforce users to create various small PST file from single PST by truncating them or they create archive PST files to reduce some data from the PST file.

Due to more size, limitless use of PST files increases the size to large extent. Combine PST Files in Outlook Together into One File!

How to combine PST Files Together? Program to combine PST files in Outlook: SysTools developed for its users a more effective resource, which always allow you to combine PST files in outlook together into one file.