Weeom PST Merge Tool

A prompt and secure solution to merge multiple PST files into one PST file, maintaining the folders separately. Weeom Software to merge PST files supports PST files generated using different Microsoft Outlook versions. This PST file merger supports both Unicode and ANSI PST types and merges them efficiently and safely. It is an efficient way to manage PST files in one PST when PST files are multiple in numbers. The free demo version comes to make it convenient for the users to examine the process of merging PST files.

Client Rating: (Average Rating 4.9 Based on Reviews)

  • A user-friendly user interface is easy to operate for non-techies and beginners.
  • Join and Merge several MS Outlook data files (PST) into one.
  • Perfectly merge particular items like Email, Contacts, Calendar, Notes, Tasks, etc.
  • Works for- 1)Join Outlook PST Files, 2) Merge Outlook PST Files, 3) Merge Contacts.
  • Allows users to merge both PST types; Unicode PST and ANSI PST.
  • Option to exclude duplicate items in the new PST file
  • Add PST folder and merge all its files into one new PST file instantly.
  • Supported all versions of Windows OS (32-bit and 64-bit).
  • The entire process completes with zero impact on data integrity and PST structure.
  • The free demo version is to merge the first 50 items per PST into one PST. view more...
*The Free Demo version allows you to merge and save up to 50 items/folders.
DBX to PST Converter Box

Key features of Weeom Outlook PST Merge Software

add multiple pst files

Easily select and add multiple PST files

Weeom PST File Merger provides an easy way to select and merge multiple PST files. It enables the search of multiple PST files to contain the data in different locations in local storage. Conversely, adding files to the software can be done all in one go.

no size limit pst

No size limit on PST

This PST merger comes in handy to manage PST files of any size, even small-sized or massive; it mergers them with excellence. The merge and join process will operate smoothly with successful results with this software. It performs with no such size limit of PST files

merge outlook pst

Merge Outlook PST Files Instantly

The PST merge tool comes with three simple steps- Select multiple desired PST files from stored location -> Apply Merge options-> Save the resultant files to Target. These simple and direct steps make it proficient at merging and joining multiple PST files into a single PST file in just a few actions. The number of PST files gets combined instantly without impacting the integrity and accuracy of Outlook data files.

merge all pst Items

Merge All PST Items with Merge Option

Since it is efficient software to merge multiple PST files, it combines all the data from various PST folders into one PST file. The software does not affect the PST data when merging items such as emails, contacts, calendars, etc., from multiple PST files. The users can also exclude duplicate items and deleted items of PST files while merging them.

Splits file year

Option to Join all PST files

It allows you to do joining PST files. This option will help you to join multiple PST files containing data in different folders. The Software creates a new .pst file and saves the entire data of all PST files into one file. It makes a new PST file with new folders to save the data of all PST files. The tool keeps the same folder name to join all the existing items in that particular folder.

merge contacts

Merge Contacts of multiple PST files

The PST Files Merger also can merge users' contacts from multiple PST files into one PST file. It will save all the contacts of different PST files jointly in one PST file. When merging PST file contact, it does not affect the Meta properties of the contact folder and provides an ideal result.

support outlook

Support Outlook & Windows OS (All versions)

Weeom PST Files Merger is a robust solution as it supports PST files from all Outlook versions, be it ANSI and UNICODE. It is compatible with working in all versions of Windows OS. You can install it on your system; even Windows OS is the old version or the latest version.

user friendly

User-Friendly and simple User interface

Advanced algorithms are used in this software. Its intuitive geographic user interface makes it easy to operate by anyone without any additional assistance. Even non-technical ones need not worry about any difficulty in its use to merge PST files.

displayed the process

Displayed the process status report

It is a complete solution to merge PST files. It provides the status log screen of the running process. Once the process is completed, this tool allows the report to be saved for further reference. The report includes aspects of the complete process such as item count, processed items, failed items, filtered items, target folders, etc.

free evaluation version

Free evaluation version

It's convenient to try out its free version, which makes it easy to observe the functionality and performance of Weeom PST File Merger. An evaluation version enables results for the first 50 items per PST folder by evaluating the capacity of all respected features. It makes it easy for users to know all its process steps before using a license version.

Common Reasons why Outlook users require to merge multiple PST files:

There are some instances when users want to merge and join multiple PST files in a single PST file, such as:

  • If users have multiple accounts in Outlook and need to access all their essential data, in this case, the only solution is to merge all PST data files into a single PST.
  • Merging multiple PST files from different Outlook version makes it easy to backup their data in a simple PST file with the particular folder. Furthermore, the users may desire to merge ANSI PST files with Unicode PST files into a single PST to access the latest Outlook versions.
  • The user is often required to share or transfer the PST with others. However, this task becomes challenging when users have multiple PST files. Hence, merging PST files into one is the solution to eliminate such situations, making it easy to share and transfer.
Users' Expectations with a specialized Outlook PST files merger
  • Users would desire a PST file merger that is easy to operate with various options to merge and join PST files with any size of PST.
  • One of the users' wishes should be a solution that efficiently merges multiple PST files by keeping their data along with existing different folders in a single PST.
  • The PST files merger should be privileged to provide a fast and secure PST merging/joining result without affecting data integrity or missing data.
  • Users want to get progress information while merging PST files and post-merge, where users can see all the happing in their data.
Why use PST files merger from Weeom over others?
  • Weeom PST Merge Software is a top-end solution that merges and joins PST files with a few easy steps.
  • This tool comes with three options: merge PST files, join PST files, and merge PST contacts.
  • It is an entirely secure solution and assures zero impact on data integrity and properties during the process
  • Weeom PST Files Merge software is available in a free demo version with fully functional estimation with the process of the first 50 items per folder. Users can be sure to operate steps by evaluating the software's performance before investing.
Software Comparison
Software Features Trial Version Full Version
Add Multiple PST Files yes yes
Process Items First 50 items/Folder All Items(No Limitation)
100% Secure yes yes
Support all Microsoft Outlook Version yes yes
24x7 Free Technical Support (By - Live Chat, Emails, Contact-Us Form) no no
  Download Free100% Secure Buy NowSee Pricing
Awards and Reviews

Wonderful software! I was unable to manage my PST files across four Outlook accounts. This PST Merger helped me to merge all PST data into a single PST file with excellence, and now I am using that PST for multiple purposes.


I thank Weeom Solutions! I had many PST files, and challenging to manage them on my different systems; I decided to merge them and find this PST files merger software. It is excellent as it works smoothly, and it serves the requirement of users to keep the items of multiple PST files in a single PST.


I admire this software solution for simplifying the numbering of my PST files to have one PST file in a folder where I need it. I wanted to recommend this software to those wishing to merge their PST files and manage Outlook data in a single PST.


Merging and joining Outlook data files with others were never before was more accessible and safer. Weeom PST Merge software is a superb solution accessible for all to use for joining and merging multiple PST files from different folders.


  1. Download, install and run the Weeom PST merge Tool.
  2. Now, using the Add button, navigate to the stored PST files folder or use the search button to browse PST files anywhere in the local drive.
  3. Select all the desired files and click on open files.
  4. There is an option to remove files from the list; otherwise, click on the Next button.
  5. Now, browser and set the target folder where you want to store that merged PST data in the local drive.
  6. You can give a name to the PST files and store or go with the default names.
  7. Use any options as you want: Join PST Files, Merge PST Files, or Merge PST Contacts.
  8. You can exclude duplicate and deleted items.
  9. After performing all the above actions, click Next to initiate the processing.
  10. Eventually, the software provides a result of selecting multiple PST files merged into single PST files.

This tool works no matter what version of Outlook you have PST files (ANSI or Unicode). It works compatible with data files of old and latest Outlook and provides a correct result. You can access merged PST in all the versions of Outlook.

Yes, it allows a free trial version, making it easy to evaluate before purchasing a license. You can test all its functions, and with its trial version, you will get results for the first 50 items per folder.

User don't need to feel concern about its updates and any implementation. We notify users of all software updates at the email address provided while purchasing the license. Users can easily upgrade their previously purchased software with new updates at no extra cost.

The Weeom PST File Merge Tool is capable to add PST file without having size restriction. After purchasing the license, you can run any size of PST files to merge and join in a single PST file with this software.