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How to Split Up and Divide Very Large PST Files For Organizable Mailbox

Shayadri Sharma | Modified: 2022-07-06T12:30:34+00:00|Outlook | 5 Minutes Reading

MS Outlook stores all its data in PST (Personal Storage File) format to manage all the data files. It includes all the important mailbox data, i.e. emails, contacts, notes, tasks, calendars, etc. All its data comes under regular utilization, which further keeps on increasing with each passing day.

This leads to a mailbox heavier and in some situations, there is a need to split up and Divide Very Large PST Files. This state comes into existence because of the regularly outgoing and incoming emails along with the management of other data as well as contacts, meetings, tasks, etc.

Many times, users come under the misconception that simply deleting emails will help them in speeding up the program. Actually, when we perform soft deletion the items directly go to the deleted folder, which in short does not resolve the problem. Therefore, many of the users grumble about less storage space to keep extra data items within PST files. This is mainly due to the size restriction of data storage in MS Outlook. Therefore, in the following write-up, we will discuss the workarounds on how to break large PST files.

Differentiation Of Outlook to Divide Very large PST Files

A PST file comes in two different formattings; an ANSI formatted PST and a Unicode PST formatting PST file. These are created by, entirely different editions of the Microsoft Outlook client. However, on one hand, an ANSI PST file can only store up to 2 GB of data while on the other hand in a Unicode file a user can store up to 50 GB of data. There are plenty of advantages as well as disadvantages associated with this aspect of large PST files.

ANSI format mailbox is created under the older versions of Outlook that range up to Office 2002 and Unicode is created by the later version starting from Outlook 2003, 2007, 2010, etc. Even then, if a user stores a database more than the imposed file size limitation then they are lead to corruption of their respective mailbox data. In order to avoid the mentioned consequences, many users prefer to split up and divide very large PST files.

How Does That Help Split up a PST File?

When you split up and divide very large PST files then, it automatically frees you from the issues that surfaced with large size PST mailbox files and the consequences to be faced. Meanwhile, due to the lack of availability of procedures that could break up PST files crops up complications in the situation.

However, there are plenty of Outlook PST splitter programs available in the external market that are supportive to entire editions of Microsoft Outlook client to help users dissever data of ANSI as well as Unicode formatting; both without any inconvenience faced.

Such solutions also render facilities like to split up a PST file by date, size, year, and folder that allows separating data according to the selective range. This way eased control over the mailbox data is acquired. The prime advantage of using such applications that manageability of PST file becomes acquirable which also helps them in maintaining data without being confronted with the threat of it becoming corrupt.

One-Stop Solution to Break up PST file

SysTools Split PST Software namely an application available in the widespread software market and is capable of not only dividing the contents of your mailbox but also helps split up PST files Outlook 2007, 2010, etc. to render organized data after break up.

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The program helps users in fractionating a huge or bulky-sized PST mailbox under four different options offered by the tool. It helps users to get a convenient procedure of fragmentation whereas the backend interface has been stuffed with the most tech-centric facilities that take care of the accuracy and preciseness of the PST file processing.

Split up a PST file – A Profound Look at The Application

Break up PST file, on the whole, serves a highly productive service for the management of large-sized PST files. Here are some of the exceptionally appreciative options integrated by the developers that help greatly in dealing with the data files.

All Outlook Versions Supported:

Many Outlook users are not exactly using the client but just managing their PST archives. Therefore, there is a possibility that they may be having a PST file of an older version of the client. The application, by providing support for all versions of Outlook has made it possible for users to split up a PST file whether its ANSI or Unicode type PST files.

A variety of Splitting Options:

Users are just looking for a tool that could divide very large PST files so that the size can be managed. However, the options laid out by this tool not only help in managing the size but managing the size in an organized way. You can manage the size by splitting up the data but splitting the PST via year/date/folder helps split PST file data systematically.

Selection of Destination:

What is the use of going out of your way and investing on a tool if it does not work to break up PST file according to your convenience? This application is completely devised considering end-user requirements. You can choose the source PST path as well as the destination path for saving the output after splitting.

NOTE: You can even create a New Folder right from the software panel for the storage of output.


Outlook being one of the most commonly used clients is discussed here along with its details relating to PST file, which differs in storage space leading to the need that how to split up and divide very large PST files to make it manageable.