Basically, there are two methods in which you can control overflow of PST in Outlook application so that you can search particular database with ease and they are:

Delete Unwanted Items: It is fact that most of you have a lot more information than you use. However, you may hesitate to delete some of the messages as you might think that you can use them for reference in time to come. Just ask yourself sincerely that what part of the saved information do you use? Before deleting any database from PST files, just think once that if the message has some evocative purpose. In Outlook 2010, you are provided with two useful commands, one is ‘Ignore Conversation’ which allows you to discontinue approaching replies to come out in the inbox. Second one is ‘Clean up Conversation’ which helps you to get rid of messages that were contained in previous emails.

Consolidate Outlook Emails: The superlative approach to handle and manage Outlook database is to consolidate multiple PST files that will ensure that your contacts, inboxes, calendars etc reside in single PST file. Now, suppose you wish to Outlook consolidate emails but you are unaware of any mode to combine PST files into single one. There are two methods for consolidating multiple PST files into single PST, first is manual method which is considerably avoided as it is time consuming and risky. It is dicey because you may get confused while combining so many files and if any mistake happens from your side, it could result in disaster, means misplacement of database. Another way is the use of third party software that ensures that not only flawless consolidation of PST files is carried out but also, there are no chances of duplicity of items while consolidation. Therefore, it is suggested to employ an external; helper to consolidate Outlook emails.

Advantages of Merging PST Files

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Easy Sharing: When you consolidate multiple PST files, the sharing process become much easier as you no longer have to spend time in locating the data.
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Management become Simpler: Organization of bulky database becomes uncomplicated as the data of a particular type gets stored in single PST file.
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Searching Process is no Longer an Onus Task: When you wish to find out a contact detail of specific person from Outlook account, you need to search a lot in different PST files as you do not have any idea in which PST file that contact detail of particular person is saved, If you consolidate contact files of PST files, then exploring process becomes easier.

Tool that Helps in Best Consolidation of PST Files: PST Merge software is well known and most acclaimed tool available online to consolidate Outlook email, journals, appointments, tasks etc from multiple PST files to single PST.

Author's Bio: 

Tools that the company provided never failed to meet user’s expectations. Their extraordinary contribution in solving user’s problems in domains like data recovery, PST management, email migration etc is commendable. To Outlook consolidate email, the company gifted a marvelous solution to its users which is PST Merge software.