How to Split Outlook OST and PST File?

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Multiple times users have a question about “How to Split OST File?” but unfortunately they did not have a better solution regarding this query in this blog. Here I suggest better solutions that can help you to separate outlook emails. 

About Outlook OST & PST

As we know Outlook is the best and most advanced email client, which has been used in corporations and this software has the best features which make users satisfied. has been changed to Office 365, in which users access their emails from anywhere at any time. 

Outlook OST Files

Outlook creates 2 types of files such as ( .OST ) & ( .PST ). The Outlook OST files have been created when the users are connected to the MS Exchange Environment then Outlook creates.OST files. This type of OST is called an exchange OST. 

Outlook PST Files

The Outlook PST files have been created in Outlook and PST files stand for ( Personal Storage Table ). This file format has been created in Outlook.  

The Outlook OST file contains all the data of such items: emails, contacts, calendars, etc. 

Problem with Oversized Outlook datafile (.OST & .PST) file 

Here are some common issues which users are facing when the Outlook OST files go Oversized

  1. Delay in sending and receiving emails. 
  2. Syncing problem.
  3. Delay response of Outlook.
  4. You may feel laggy in the Outlook application. 

Users also searching for:- Split OST File Outlook 2016

Techniques for splitting Outlook data files

Don’t worry I have a better solution for every user, they can easily split the Outlook PST files into multiple smaller sizes. With the method which I show you users also can split Outlook PST files year-wise by using Date Filtration Option. By using the method which I suggest users can easily split Outlook OST files into multiple small sizes. 

Automated Tools to split outlook pst file 

  1. Split OST / PST through eSoftTools Outlook OST Recovery Tool.

The best way to separate outlook emails, try the most demanding tool which is eSoftTools OST to PST Software. This is the best converter software because it has multiple features that help users to convert OST files into multiple file formats, and this software also has Bulk Conversion.

Users also search for:- How to repair Microsoft Outlook PST file

Here are some best features of this software. 

  1. Users can select their OST files in Bulk and convert them into other formats.
  1. After the conversion of OST files into PST users can split large PST files into multiple small sizes.
  1. Users can select their specific dated emails by using the Date range feature.
  1. Users can get a Live preview before the conversion of OST files.
  1. This software always maintains the churches of the folder and converts OST safely.

Working on this software

  1. Download and install the eSoftTools Outlook OST recovery tool.
  2. Launch the eSoftTools OST to PST converter software. 
  3. After this users have to select the OST files from the left upper corner. 
  4. After selecting OST files click to select the OST files which you want to convert or Split OST file. 
  5. After This select the Date Range or other formats for conversion of OST files.
  6. After This click the convert button.

Download eSoftTools OST to PST Recovery Software

2. Split OST / PST through eSoftTools PST Splitter Software

eSoftTools PST Splitter tool is one of the best tools because users can split their large PST files into multiple small sizes and it also convert PST files into multiple file formats this software support all version of windows OS. this is the best tool for users who want to convert or split PST files into multiple small sizes. 

Features of this eSoftTools PST Splitter software 

  1. Divide folders into files with various options
  1. Split PST by size.
  2. Split PST by date.
  3. Split PST by files/folders.
  4. Split Outlook PST by Outlook.

2. Split whatever PST file format.

3. Split PST with full safety.

Working on eSoftTools PST splitting Software.

  1. Download and Launch eSoftTools PST splitter tool.
  2. After this Load OST / PST files.
  3. Select the needed folder of the PST file.
  4. After This select the PST by date or size etc.
  5. Select the saving location and save the folders.

Download eSoftTools PST Splitter Software.

Demo Version 

Both software has a demo version available for free download users can download and use this software for free. 


I Hope every user get understood How to Split Outlook OST and PST files?, if you get the points then I have a better solution for you to try the above mention tools. To split large/oversized PST files.

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