I suggest to use DataVare Outlook PST Merge Expert if you want an easy way to merge several PST files into one. The program quickly merge Outlook PST files into a single PST file. The program is easy to use and has many features that make it simple for combining Outlook PST files. A simple graphical user interface (GUI) makes it easy for people who aren't tech-savvy to use. In addition, it gives you more ways to manage PST files. It's easy to use and works with all versions of Outlook, such as Outlook 2021, 2019, 2016, 2013, and 2010. It supports all versions of Mac OS X and Windows OS.

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The best method to merger multiple PST files is the Outlook PST Merger tool. The tool easily and efficiently compact multiple PST files into a single PST in a few minutes. It removes duplicates from the selected PST mailbox folders and has a simple user interface. Moreover, there is a Date Range Filter option through which you can sort the emails according to date and time.

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PST Merge Software efficiently consolidates multiple PST files into a single file, preserving all emails, attachments, contacts, calendars, tasks, journals, and notes. It also removes duplicate emails during the merging process. The tool is compatible with both ANSI and Unicode PST files, regardless of the Outlook version used to create them. You can merge PST files into a new or existing PST file and choose to exclude attachments if desired. Additionally, a free version is available for performance evaluation, and the software is fully supported on all versions of Windows. It allows for bulk merging of PST files without any data loss in the resulting file.
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If you are looking for a tool that can merge two or multiple PST files into a new or even the existing file then go with the best solution PST Merge Tool and complete the given task. Moreover, this tool comes with capabilities that allow you to perform many other tasks. Here we have described the additional features that provide the software.

The tool allows you to merge the PST file including all the attachments.
There is an option to remove duplicate emails at the time of merging multiple .pst files into one.
You can join the PSTs file into a new one or in an existing PST file.
The software is fully compatible to run on any Windows version.
This PST Merge Tool accept all the PST file created on any version of MS Outlook.

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How to Merge two PST files without Installing Outlook. Try Mac PST Merge Software is instant to Join Multiple PST Data files without Installing Outlook. This software ignores the empty file and fast conversion. Supports Both types of ANSI and Unicode Outlook PST files. This App can easily merge multiple PST files into one Outlook PST including Notes, Tasks, Journals, Emails, Contacts, Calendars, etc. Work on all Mac OS and Windows OS versions. It also supports all MS Outlook versions like - 2003, 2007, 2010, 2013, 2016, and 2021. You can download the free trial version for Mac Merge PST Software.

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Merge PST Tool easily merges meetings and tasks and combines the following appointments in the PST file format. The software also supports all MS Outlook versions, including 2021, 2019, 2016, 2010, 2007, 2003, and 2000, are supported. The Merge PST Tool is very safe and causes no data loss. With the help of this Merger Outlook PST Tool, one can join calendars from multiple PST files into one PST. Use the free demo version of this tool to know more features and functions.

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If you need to Merge PST files to form a larger file that can be used with the latest Outlook versions, you can use the below mentioned manual steps:

Step 1: Create a new blank PST

To create a new blank PST, follow these steps:

In the Outlook window, click on New Items -> More Items -> Outlook Data FileCreate a New PST File
Select a location to save the new blank PST and provide a name for it
Click on OK
Name the PST File
To Create a New PST File
Step 2: Merge .PST files into the newly created blank .PST file
To merge PST files into the new file created above, follow these steps:

In the Outlook window, click on File -> Open -> Import

This will open the Import-Export Wizard. Select Import from another program or file
Import the PST File
Click on Next
Select file type Outlook Data File (.pst) to import from
Select the file
4.Click on Next
5. Click Browse to locate the file to be imported
Note: You now have the option to replace duplicate emails in Outlook. Your choice here depends on the Outlook data file you are importing. In this example, choose the Do not import duplicates box.

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6. Check the Do not import duplicates box
7. Click on Next
8. Select which folder you wish to import
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9. Check the Include subfolders and Import items into the same folder in boxes

Click on Finish
These steps will import the PST file to the folder you specified in step 8. To import other PSTs, repeat the same steps for each one. Once all files have been imported, their data can be combined into a single PST. The resultant larger PST can then be exported to any machine to access all mailbox data.

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An excellent solution that you can use to easily merge a large number of Outlook PST files. Use ToolsBaer Merge PST and using it you have a large amount of Outlook PST email files. which you want to merge into a single PST file.
ANSI and Unicode PST files can be combined using this software to create a single PST file. MS Outlook versions 2003, 2007, 2010, 2013, 2016, and 2019 are included. You can also try out the free demo to see how well the special features of this software work.
Read More:- https://www.toolsbaer.com/pst-merge/