There are many situations in which MS Outlook users get the need to merge their Outlook PST files together. You can take a look at some of them below:

One situation is that, when Outlook Express users switch to MS Outlook email client, they get the requirement to combine PST files together. “Why Outlook users get the need to merge PST files together after switching from Outlook Express to MS Outlook email client?” MS Outlook users wish to combine PST files together after performing Outlook Express DBX to Outlook PST conversion process because Outlook Express creates separate DBX file for each folder like individual DBX for Inbox folder, individual DBX for Outbox folder, individual DBX for Sent Items folder, etc, and when conversion takes place, separate PST files also get created for each folder, which later on creates problem in the management of Outlook database but, users can avoid problems of managing email database by merging those PST files together. The users can merge PST files of all folders into one PST file and can easily configure that one PST file with their email account for further email communication. By performing merging, they skip the hectic task of opening Outlook data file one by one.

One situation is that, when a user of earlier Outlook edition jumps to a newer Outlook edition, he gets the requirement to merge PST files together. “Why a user gets the need to merge PST files together after switching from an earlier Outlook edition to recent Outlook edition?”- Suppose a user was using PC with Outlook 2002 for carrying out his email communication and later on, he bought a laptop with Outlook 2007, now he wants to take his entire email database of PC (Outlook 2002) in his laptop that has Outlook 2007, what he can do? He can create a copy of his Outlook 2002 PST file, transfer it to laptop and merge with the PST of Outlook 2007. In this way, he can get his entire Outlook database from PC to Laptop.

For all these situations, in which, Outlook users get the need to merge PST files together, PST Merge software proves useful for them. They can merge all PST files together in proper manner by using this software. The provision of folder mapping also comes in this PST Merge software like emails of inbox folder go only in inbox, emails of sent items folder go only in sent items, etc if you choose to do folder mapping during merging.

Know more about software - http://www.pstupgrade.com/pst-merge-software.html

Author's Bio: 

Many advanced PST Management products like PST Merge, PST Upgrade, Outlook Recovery and Split PST are developed by this company for solving different needs of users. Among them, PST Merge software gets popularly used to merge multiple PST files together.