Microsoft Outlook 2002 and earlier versions limit the size of Personal Folders file to 2GB. Whenever the PST file exceeds that limit, you will not be able to open or load any more data in it. This is called oversized PST file problem. Outlook has no built in way to rescue the oversized PST file that is inaccessible. But Microsoft provides an external tool pst2gb as a makeshift which can restore the file to usable status. But this tool fails for some cases in restoring the oversize files.

MS Outlook stores your all email messages and other mailbox items in an Outlook data file which is known as PST or Personal Storage Table. MS Outlook has two types of PST files which are ANSI PST and Unicode PST. ANSI PST is used in earlier versions of MS Outlook 2002 and is a default file format of these Outlook versions.

It has a limit of 2G and when it exceeds its limit, then the file becomes corrupted and the same problem happens with Unicode PST file. Unicode PST is used in a later version of MS Outlook 2003 and its default file format of these Outlook versions which has a limit of 20 GB.

Also Read: How to split Outlook PST files to remove corruption of Large PST Files?

The corruption of Unicode PST file is very rare because of the maximum size but it can be corrupted if the size exceeds that limit. If the corruption occurs then you can lose all your important emails and other mailbox items which are saved in the file. In that moment, you can split your oversized PST file into various parts so that you can avoid the file to be corrupted.

Solution to Repair Oversized PST

There comes a situation in which PST file becomes corrupted before you could split it into various parts or compress its size. Microsoft does not have a way that can solve the oversized PST file problem in a satisfactory way. In such situation, to get rid of splitting process, you must repair the file.

But before repairing the file, still, an action can be performed with the use of “Archive” and “Import and Export” feature of MS Outlook. However, MS Outlook provides another feature of “Move to Folder”. With these features, you can move some of the items from one PST file to another file without splitting a PST file into many smaller parts. By doing this, a new PST file is created and moving of PST files’ items in a new PST file is considered to be safe and effective but for doing this, you require a good technical knowledge. Without technical knowledge, it may be difficult for new users.

hfrrSo, it’s better to use a simple method to avoid all the problems. You should use Split PST file software which helps you to split a large file into smaller parts of any size without causing any damage to the original file.

This software is easy to use and does not require any technical knowledge. This software is completely risk-free in nature. It has a very high interactive user interface with the help of which you can perform the oversized PST recovery operation in just few minute.

The most important advantage of splitting PST file is that you can save your PST from serious corruption because large size PST file is the main reasons for corruption. So it is better to that you should take help from professional software which has reliability, effectiveness, and competence.

Complete Steps to Split PST File

Step 1: Choose the PST file that you wish to split


Step 2: Select the desired ‘splitting option’ and provide the location where you want to save the file then click on ‘Split’


Step 3: The software is splitting selected PST file

Step 4: That’s all, splitting process is completed.


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