There’s two way that user of Outlook email client application can use to manage their Outlook PST files with all saved email, messages, contacts, calendars, appointments, journal, etc. <br />First is Split Outlook PST Tool: Use Split function performing tool and Split any large sized Outlook PST files in some small PST files by Date, Size, Email ID, etc. <br />Second is Merge PST Tool: Use Merge PST Tool when have more than one PST files in Outlook email client application and want to access them from single platform or through one file. <br />Both techniques are highly used for Outlook PST management and this video tutorial will show you how does both technique “Merge and Split” works.