How to Split Large PST File Into Multiple Smaller Parts? – A Complete Guides

What happened when you discovered that the size of your Outlook data file had exceeded its limit? As we all know, huge data files might cause you to lose important information. But unfortunately, it also causes data corruption in Microsoft Outlook.

As a result, you’ll most likely try to split a huge PST file into smaller chunks. You will undoubtedly want an immediate solution to partition a massive PST file to make your task easier.

Today, we’ve thought about this problem and developed various manual and automated options for splitting extensive Outlook PST files. However, you will immediately learn how to resolve your issue in this article.

People also have questions to ask

  • What’s the best way to split a large PST file?
  • In Outlook 2007, is it possible to split a huge PST file?
  • Do you want to know how to move a large PST file?
  • After archiving an Outlook PST file, how do I truncate it?
  • After evaluating all of the queries mentioned above, we will reveal several approaches to settling these users’ questions. Let’s get started:

Splitting a Large PST File Into Smaller Parts in an Efficient Way

To divide a large PST file into smaller portions, use automated software that divides it by Size, Date, Year, Folder, and Email ID.

Methods for Dividing Oversized PST Files by Hand

This section explains manual methods for splitting huge PST files into smaller portions. There are two free techniques to split a large PST file; you can use either to divide an oversized Outlook data file. Let’s get started:

Method1: Import/Export Wizard

  1. Select File, then Account Settings >>Account Settings… from the File menu.
  2. The data files option will now appear; click the ADD option in the Account Settings window.
  3. Type in the file name and select the.pst file format to begin the process.
  4. A new PST file has been created, and you can now view it under Data Files.
  5. Select File>>Open & Export from the File menu, and then Import/Export.
  6. In the Import/Export wizard, select the Export to a File option and click Next.
  7. In Export to a file, choose the newly created Outlook data file (.pst).
  8. To Export, check the Include Sub-directories option and choose the relevant folders.
  9. Select Browse and save the produced File to the chosen location.
  10. To remove duplicate items, select the Do Not Export Duplicates Item option and click the Finish button.

Method 2: Using the Archive Function

  • Open MS Outlook and select File from the File menu.
  • Select the Info option, then Tools>>Clean up Old Items from the drop-down menu.
  • Select a Folder to Archive, a Date in the Archive items older than the box, and then Browse to save the archived files where you want them.
  • To complete dividing huge PST files, click the OK option.

Aside from the methods stated above, there are other free ways to break a huge PST file into smaller portions. However, they come with a considerable risk of data loss. In addition, these procedures also necessitate a high level of technical knowledge.

To avoid such problems, we propose that you choose an alternative option that is safe and simple to use. Please continue to the next section, where we’ll automatically discuss splitting a large PST file.

How to Split a Large PST File Without Losing Data

If you want to split a large PST file with an automated tool, you can use PST Splitter software, a safe and reliable solution to your difficulties. Split huge PST files by Size, Folder, Date, Year, Email-ID, and Category are among the six unique choices this programme offers to truncate PST files.

Additionally, the application can separate faulty or damaged Outlook mailbox components such as Emails, Calendars, Notes, Contacts, and Journals with or without MS Outlook installed.

Some of the Advantages of Automated Software

  • Because of its large size, the software can divide corrupted PST files.
  • This tool can split an Outlook PST file into multiple files ranging in size from 1 MB to 1 TB, depending on your needs.
  • This software can work with Outlook PST files from all versions (2019, 2016, 2013, 2010, 2007, etc.)
  • Install on any Windows OS version (10, 8.1, 8, 7 and all below versions).
  • To truncate PST files, you don’t need to install MS Outlook.

Follow the Steps to Split Large Outlook PST Files into Smaller Parts

  • PST Splitter Software must be downloaded and run before adding a file or folder to split.
  • Click the Open button after finding the PST file you want to break.
  • To continue, click the Next button.
  • Now, choose where you want to save the new PST file.
  • To use the split option, click the Split button.
  • To split the PST file by date, select Split PST by Date and click Next.
  • To break the PST file, choose a date range.

The most excellent part about this software is that the demo edition allows you to split up to 25 items for free. However, if you need to split extensive size Outlook PST files more significant than this size restriction, you’ll need to get the complete version of this utility.


In this article, we’ve given you the best advice on splitting a large PST file into smaller pieces, both manually and automatically. However, we recommend using a third-party application because DIY techniques are risky and need a high level of technical understanding to truncate PST files. As a result, we suggest splitting huge PST files with a safe and secure automatic tool.

How to Restore Emails from Corrupted OST file?

This article will show you how to recover emails from OST files in Outlook. In this article, we looked at how to get emails from OST files using both manual and automatic methods. To learn more, read this article.

Overall, Outlook saves its emails and data in two different file extensions: PST and OST. PST stands for personal storage table, whereas OST stands for offline storage table.

OST files are used to save a copy of your mailbox items like messages, contacts, schedules, tasks, notes, journals, and so on. Unfortunately, there are times when clients want email extraction from an OST file. The question now is how to restore emails from an OST file.

As a result, I’ve included some specific ways below that will assist you in extracting emails from an OST file. Before we get into the remedy, let’s talk about the user’s question that was posted on the forum site.

“Please assist me; I have an OST file from which I would like to extract my crucial official emails.” I’m not sure how to restore emails from OST files. Is there a way to complete this task? If so, please pass it forward. Thanks!

Important Note: If you’re looking for a way to obtain emails from OST files, you can use Aryson OST Recovery to restore emails and other mailbox data items from OST files. Outlook 2019, 2016, 2013, and earlier versions are supported by this application.

How to Recover Emails from an Outlook OST File Manually

There are three methods for recovering emails from an OST file that you may use without much difficulty.

Method 1: Using the Outlook Export Function

  • Run Microsoft Outlook.
  • Go to the ‘File’ menu and select “Export to a File.”
  • Then choose “Personal File Folder (PST)” from the drop-down menu.
  • Simply choose data from your PST file here.
  • Now, browse to the location where you want your emails exported and click ‘Finish.’

Note: This process only works if you are connected to the Exchange server.

Method 02: Archive Feature

  • On your system, open Microsoft Outlook.
  • Navigate to File – Archive.
  • Select the emails you want to export from the mailbox right now.
  • Select the location where you want to save the emails right now.
  • Also, the archiving will be completed after a few minutes.

Note: You will not be able to extract contacts using this method.

Method 03: Drag and Drop.

  • Start Microsoft Outlook on your computer.
  • Create a new PST file.
  • Simplified your file by dragging emails to a new PST file one by one.

Note: Importing mailed items, contacts, and schedules is impossible using this method.

Method 04: Using an Automated Solution

There’s one more thing I need to tell you!

You may have noticed that each manual approach I mentioned earlier had a few drawbacks. It would also be unjust if we categorized manual techniques as “Great but Ineffective.”

Expert Advice on Recovering Emails from an Outlook OST File

Aryson OST Recovery is now one of the most effective solutions for extracting emails from an OST file.

This software is used to quickly restore all of the emails from an OST file as PST files. The user interface is also simple and easy to use, allowing even non-technical people to convert OST files to PST. With this software, the user may quickly extract contacts, emails, calendars, and other mailbox data items from OST files. After that, save the data in the PST file format, which is compatible with Outlook. The PST file may be readily imported into the Outlook application.

Follow These Steps to Recover Emails from Outlook OST Files

  1. Download and install the software on your computer, then select Add File.
  2. Locate the OST file on your computer.
  3. Choose between Quick and Advanced Scan as the scanning modes.
  4. Now you can see emails, contacts, and calendars from Outlook OST files.
  5. To extract OST file emails, click Export and choose the PST file type.


In this article, we’ve discussed how to manually restore emails from an Outlook OST file. We’ve also discussed a powerful way for restoring emails from OST files utilizing automated solutions.

Simplest Method to Repair Outlook Data Files and Get Perfect Results

MS Outlook is one of the most popular email applications due to its large user base. Outlook provides calendaring, task management, contact management, and other functions in addition to emailing. Because of their importance, Outlook data files become the apple of the eye. Users usually take extra precautions with Outlook database files since they contain sensitive information. Users are understandably concerned if their Outlook database files have any problems.

On the internet, we can find a large number of customers that are looking for a technique to repair Outlook data files. When corrupted Outlook data files occur, every user looks for a guaranteed and straightforward approach to fix them. Although you may be familiar with the OST and PST Outlook data files, it is still vital to understand them. A copy of the data item kept on the server is stored in an Offline Storage Table (OST). On the other hand, Personal Storage Table is a local machine/system that saves data.

In this blog, we will explore all aspects related to Outlook data files corruption. We will also know the process to repair Outlook data files.

The following are some possible causes of Outlook data file corruption:

  • While Outlook is open, it will randomly terminate/shut down.
  • Files that are too big
  • Corruption can be caused by malware and virus attacks.
  • A hardware failure might also cause the corruption of files.

Is there a way to manually repair Outlook data files?

Yes, we have a manual approach for recovering Outlook data files that work. However, the method’s efficiency is a point of contention. For this, we’ll use Microsoft Outlook Inbox Repair Tool, also known as Scanpst.exe. It’s in the Outlook installation directory; the exact position depends on the version of Outlook you have installed. To utilize the Scanpst.exe utility, follow the instructions below.

  • To use the Outlook Inbox Repair Tool, locate the Scanpst.exe file and double-click it.
  • Select the corrupted.pst files with the Browse button.
  • Start scanning the damaged Outlook database files by pressing the Start button.
  • The application will scan all of the newly inserted database files and wait to finish scanning.
  • The application will notify you of any faults discovered throughout the scan. To repair them, select Repair from the drop-down menu. Check the “Make a backup of scanned file before repairing” option to get a backup.
  • It may take a couple of minutes to repair the Outlook database files. You will get a message “Repair complete” after completion. Click on the OK button at the end. It is how you can repair the Outlook database using Scanpst.exe.

Why do users dislike the SCANPST.EXE utility?

Scanpst.exe is easy to use and only requires a few steps. Scanpst.exe is still not the best option for repairing corrupted Outlook data files. Users do not use this software to repair Outlook data files for the following reasons.

  • The software helps repair minor corruption concerns.
  • It allows you to upload.pst files up to 2 GB in size. If you have larger.pst files, you will be restricted.
  • It’s a time-consuming process with no guarantees about the outcome.
  • To repeat this operation, technical skill is required.
  • It does not provide advanced choices for Outlook database restoration, such as filtering, searching, and other user-centric options.

Aryson Outlook PST Repair Tool is a good choice to Repair Outlook Data File

Aryson Outlook PST Repair Tool comes with several useful functions. The tool was created with each user’s need in mind. The tool’s user interface promotes easy-to-understand processing, making the task simple. It has numerous options/features that make it the professional’s first pick. It comes with everything you’ll need to fix your Outlook database. The following are some of the software’s other notable features:

  • Users can add as many Outlook data files as they want. The software quickly processes many data files in one shot.
  • In no time, you’ll be able to recover corrupted and almost-deleted files.
  • A search feature for.pst files have also been included for users’ convenience. Fields like CC, BCC, Subject, From, To, and others are simple to use.
  • The software also allows you to export recoverable data file items in MSG, EML, RTF, and HTML file formats.
  • It maintains the folder hierarchy and data integrity because it is a professional tool.
  • Users can also modify the size of the resulting.pst files. The user can customize the file sizes.
  • Folder Mapping, Email Translation, and Incremental Export are among the advanced options and functionality available. The tool is one of the most advanced because of these options and features.
  • Users can export.pst items to Webmail servers/portals like Gmail, Yahoo Mail, and others by configuring an IMAP/POP profile in Outlook.
  • A demo version of the software is also available, which allows you to process the first fifty items in each folder.

Using the Aryson Technologies to Repair Outlook Database Files in Simple Steps

  • Download and Run Aryson Outlook PST Repair Tool.
  • To pick PST files for recovery, click the open button.
  • Click the Browse option and choose the corrupt PST file if you know where your PST files are. Click the Search button if you aren’t sure where you are.
  • Now, select a location where you believe the PST files are saved by clicking the Browse option.
  • In the edit box, the specified location will appear. To begin your search, click the Search icon.
  • Click OK after selecting the PST file you want to repair.


Outlook is a popular email application, and database file corruption is typical. We frequently come across people looking for a technique to repair Outlook data files. Scanpst.exe, a manual method for repairing files, is available, although ineffective. Professionals will not be satisfied with the results provided by this software. The Aryson Outlook PST Repair application is a quick and easy solution for pros. It contains a lot of user-friendly features and a user-friendly interface. There is also a free trial version of the software available. It is simple to get a feel for how it works before purchasing it. Download the free trial version of the software if you need to repair Outlook database files. Anytime you can upgrade to the licensed version after getting satisfied with the tool.