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How to Combine Multiple PST Files Into One For Free?

  author
Nimisha Ramesh   
Published: Sep 10, 2020 • Outlook • 4 Min Read

Combine Multiple Outlook PST Files Into A Single File

Is it possible to combine multiple PST files into one without duplicates?

Yes, of course! With regular improvements in features of Microsoft Outlook, PST file sizes are not restricted with predefined limitation. Therefore, the individual who originated small .pst files from older versions of Outlook are now looking for methods to combine PST files into one, which can be used as a single database file in newer versions of Microsoft Outlook.

Its true that Microsoft Outlook is one of the widely used desktop-based email clients in today’s date. However, it comprises of some drawbacks that can be overcame by technical solutions to merge multiple PST files into one.

For Example – Old versions of MS Outlook were defined with PST file size limit, which on exceed makes the file corrupted. This means that the application and its storage file works perfectly until and unless data volume saved in them did not exceed the mentioned size limit. But, as soon as the size gets breached, issues like performance degradation, file corruption, Outlook hangs, etc., are encountered by the Microsoft customers.

Microsoft Is There For Its Clients

Keeping the customers problem in mind, Microsoft fixed the PST file size problem in its recent version of Outlook i.e., 2019, 2016, 2013, 2010, and 2007. These versions don’t have any size-based criteria but, this facility has resulted in the emergence of a new requirement. Customers who worked with old Outlook editions and have old PST files with them, they want their data to be imported in one .pst file.

After combining multiple PST files into one file, the resultant ‘single PST file’ should be accessible in newer Microsoft desktop-based email client’s version. Well, in this post, we are going to cover free solution to merge multiple PST files into one. What for are you waiting for? Read the steps and simultaneously execute them!

Merge / Combine Multiple PST Files into One for Free

It is simple to merge multiple PST files into one using Outlook application. It involves two major steps to be executed :

1. Create new Microsoft Outlook PST file
2. Import all file items in newly created .pst

Now comes the explanation of both the above-listed procedure. So, lets begin!

#1 : Create A New Microsoft Outlook PST File

1. Open Microsoft Outlook email client on you PC and click on New Items to merge 2 PST files

New Items

2. 2. A list gets explored from which you have to click on More Items >> Outlook Data Files to Merge multiple Outlook PST files into a single file

Outlook Data Files

3. This opens a ‘Create or Open Outlook Data File’ window in which you have to define the system location where you want to store newly created PST file. After doing this, go to the File Name field, and provide any of your desired name to new .pst file. Click on OK to continue with the procedure to combine multiple PST files into one file.

file name

4. Finally, you are successfully done with the creation of a new PST file in Microsoft Outlook. Now its time to proceed with procedure 2!

successfully done

#2 : Import All PST File Items Into New One

1. In the same mail client, click on File >> Open & Export >> Import / Export

Export

2. This opens an import and export window of Outlook where you have to select Import from another program or file option and then, click on Next to join PST files together

next

3. Now continue the procedure to combine Outlook PST files into one file by choosing Outlook Data File (.pst) option and hit on Next

Outlook Data File (.pst)

4. Click on the Browse button to select one PST file and select Do not import duplicates option

Browse

5. Select the folder and check Include Subfolders.

import pst file

6. Click on Finish to begin process execution.

Note – You have to repeat Step (2) to (5) until and unless all the source PST files are not imported into the new one.

Alternate Solution to Combine Multiple PST Files into One

If you feel that manual method is quite complicated and you want a quick solution to merge PST files, use PST Merge Tool. This is a professional solution that allows users to merge multiple PST files and remove duplicates.

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Here are the steps for combining multiple PST files without duplicates:

Step 1. Run the software and select the PST files.

pst merge tool

Step 2. Select option: Merge or Join.

merge multiple pst files

Step 3. Choose merge PST in New PST, Existing PST or Outlook Profile.

combine pst files

Step 4. Click on the Next button to start the process.

combine multiple pst files into one

Its Time to Wrap Up

The procedure to combine multiple PST files into one for free is illustrated in brief through this post. End users can implement this method and if in case found any trouble at the time of process execution, feel free to contact our Outlook expert team.

By Nimisha Ramesh

Nimisha Ramesh is a professional with a keen focus on branding and technical content writing. With a deep understanding of how to craft and convey brand messages, Nimisha excels in the art of branding, ensuring businesses leave a lasting impact. Her talent for technical content writing ensures that complex concepts are presented in a way that's clear and accessible to a wide audience. Nimisha's dual expertise in branding and content writing makes her a vital asset in shaping brand narratives and engaging audiences effectively.