Split PST File into Multiple Smaller Parts Manually

Do you often face management issue with Outlook data files? Large-sized PST files are always difficult to manage. Having large-sized PST files can cause performance issues as well as corruption. Keep reading the article for more information.

PST file size limitation is undoubtedly a matter of deep concern for Outlook users. Exceeding size limitation in PST files may cause severe issues related to Outlook’s performance. Sometimes the situation becomes worse when corruption takes place in PST files due to their size limitation. Generally, there are two types of PST files used by Outlook: ANSI and Unicode. ANSI PST file, used in older versions of Outlook, i.e. from 98 to 2002, can only store up to 2 GB of mailbox content. On the other hand, Unicode PST file, used in newer versions of Outlook, i.e. from 2003 to 2016, can store mailbox content from 20 GB to 50 GB. If any of these PST formats goes beyond the size limit, the PST file becomes prone to corruption. PST corruption certainly causes an unaffordable loss of your crucial mailbox content which includes email messages, contacts, calendars, appointments, tasks as well as attachments. Being an Outlook user, you should make sure your PST files are handy, i.e. not oversized.

You might also be interested in How to Repair PST File with scanpst.exe?

Why does a PST file become oversized?

As you know that the entire mailbox content is stored in PST file. PST file, personal storage table, is just a like a jar. The more water you pour into it, the less free space is left in it. In the same way, the more email messages you send and receive, the less free space is left in your PST file. Then finally, it crosses the size limit and the PST file becomes corrupt. Another common reason is Outlook duplicate items which occupy extra free space in PST file. An Outlook duplicate item can be anything, i.e. an email message, contact, note, etc. It has the same size what its original item has. This means if 100 Outlook items (1 MB each) have their duplicates in PST file, they will occupy 200 MB of space instead of 100 MB. To get rid of duplicates in Outlook, you can read this blog post Outlook Duplicate Remover – Remove Outlook Duplicates from PST

There are two ways to tackle this situation: first you can compact PST file size with the help Outlook’s Compact Now feature; and second you can split PST file into two or multiple smaller parts to make them handy. Luckily, both these solutions are performed manually, i.e. without using any paid tool. Though professional PST Split software is an outstanding solution that provides best result in quick time, but you must try the manual tricks first as they are free.

How to split PST file manually?

Microsoft Outlook has three different built-in features and functions which can be used for transferring mailbox content from one PST file to a new one. You can use Archive, Import & Export, and Move to Folder features for that. Archive is the best and easiest way to move mailbox content into a new PST file. The Archive feature enables users to create an archive.pst file of any particular folder and its subfolders at user-defined location. Read below for detailed information (step by step procedure):

Step 1: Launch Outlook client on your system. Select the PST file you want to archive.

Step 2: On the Menu, click File tab > Info in the options. Click the drop down arrow of Cleanup Tools.

Step 3: Select Archive… in the list to go the archive window.

Step 4: The Archive dialog box will be appeared on your screen. The Archive this folder and all subfolders box is checked by default. If it is not, then check it.

Step 5: Select the mailbox folder you want to archive, for example: Inbox. You can use Archive items older than option. Click Browse to define a location for saving the new archive.pst file.

Step 6: You can save the new archive.pst file by any name, i.e. Inbox.pst. It’s archive.pst by default. Click OK.

Step 8: The selected location will be listed in the edit box. Now click OK to create the new PST file.

You need to go to the location where you’ve created the new PST file. The new PST file contains all the email messages you’ve received.

You can also try Export & Import and Move to Folder features of Outlook client to transfer mailbox content from one PST file to new one. Now let’s talk about a professional solution to split PST files into two or multiple parts. Manual tricks or solutions may take several minutes to hours, and sometimes they may fail or not work. But professional PST Split software is the finest solution an Outlook user can use to split PST file into two or multiple parts. It provides different options to split a large-sized PST file: split by size, split by date and split by sender email IDs.

Availability 

PST Split software is readily available for instant purchase with demo version for free evaluation. Outlook users are strongly recommended to download free demo of this tool before purchasing its licensed version. Demo version enables users to save first 25 email items and other mailbox data of each mailbox folder of selected PST file. To overcome this limitation, licensed version of the software is mainly required.

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