merge pst files without duplicates

PST Merge Tool for Outlook 2021, 2019, 2016

Software to merge multiple PST files into one single file.

  • Merge two or more PST files into a single Outlook .pst file
  • No need to install Outlook to merge two Outlook PST files
  • Combine 2 PST files and remove duplicate data file
  • Merge corrupted or damaged PST file without any hassle
  • Maintain Email Attributes and Mailbox Folder and Sub-folder Structure
  • Extract Data from PST files like email, attachments, contacts, and calendar
  • No size limitation to merge Outlook archive PST files
  • Easily combine multiple .pst files into one without losing any single bit of information
  • Support PST file created by Outlook 2021, 2019 and other previous versions
  • Compatible with Windows 11, 10, 7, Vist, XP, and all other OS versions

Merge PST Files Without Duplicates Safely

Merge PST File

Why Choose Advik PST Merger Software?

Outlook archive its mailbox data in a PST format. This file stores email messages, contacts, calendars, journals, tasks, and other mailbox components. If users have multiple data files and wish to combine them in a single .pst file, then you can use Advik PST Merge Tool. This software is beneficial in many ways like;

  • Combine one or two PST files in a single data file.
  • Transfer Outlook archive file to a different webmail account.
  • Upholds email folders and sub-folder structure.
  • And many more.

Along with merging, this tool also export multiple PST files to different file formats. As well as transfer this archive file to various other web-based email accounts 

Maintain Folder and Sub Folder Structure

PST Merge software is designed with an advanced algorithm that can join PST files together without any modification. Along with it, this utility is programmed to preserve folder and subfolder structure during the merging process. It will be easy for users to find the emails in the newly created consolidated PST file. Also, the status of your email folder will remain unchanged (read or unread) after the process is complete.

merge multiple outlook pst file
combine outlook archieve

Convert PST File to 25+ File Formats

If you want to export emails from a PST file to various file formats, this tool will do that process as well. With this software, you can convert PST data to MBOX, EML, MSG, CSV, PDF, HTML, DOC, and other 20+ file formats. Most importantly, the user does not need to use any other tools to save email in these file formats. This utility has all of these file saving options in a single interface.

Transfer PST Data to Cloud Email Servers

There might be a few scenarios where you might want to export PST data to web-based email servers. While using this tool, you can Import Outlook PST file to Gmail,, Google Workspace, Yahoo, Yandex, Zoho and other email servers. In addition, this tool can also transfer .pst files to other email clients, the user only has to enter his login data.
(Note: If you don’t find the email server in the saving option list, then select the IMAP option and enter your account login details.)

merge pst file
PST Merge Tool

Preserve and Hold Email Attributes

When merging multiple PST files, this tool ensures that the email attributes are preserved. When the process is complete, you will find your email attributes i.e. to, subject, cc, bcc, from, message body, attachments, inline images, digital signatures, hyperlinks same as the original.

Other Highlighted Key Features

Merge multiple pst files into one

Advik PST Merge Tool is a great help for Outlook users who want to ease their email migration task. If you are having trouble while importing multiple PST files, the using this tool you can combine Outlook mailboxes with ease. You can take help from this software that allows you to merge pst files without Outlook.

Merge PST Files Without Outlook

This tool easily combines multiple PST files into one. The most interesting fact is that you don't need to install an Outlook email client to merge two or more PST files. It is a stand-alone unit that can perform this task with one hand without changing the email details. All the user has to do is add the data file, just a few clicks and you are done. Take a rest and let this tool do its job.

No File Size Limitation

If you have been using Outlook for a long time and have thousands of emails, the archive file will become large. One of the main features of this tool is that there is no file size limit. The user can combine PST files to one without encountering any glitches. It ensures that there is no data loss when combining large files and also data integrity is maintained.

Extract Attachment from Outlook PST

This Outlook PST Merge tool not only combines multiple email data files but also gives the option to extract information from them. With this wizard, users can extract all attachments from Outlook email files in no time. It supports PST files from Outlook 2021, 2019, 2016, 2013, and other previous versions without facing any technical issues.

Export Contacts from PST file

Contacts are the most important aspect for every company. Storing those contacts is every organisation's priority. Here this merger tool for PST exports all contacts from the Outlook PST file. If the user wants to save these contacts in a standard file format, this tool also extracts contacts from PST in CSV as well as in vCard format.

Transfer data to Cloud Server

If you urgently want to transfer an Outlook PST file to the web-based email server, then this tool can do this task efficiently. With the help of it, one can import PST to Google Workspace as well as to other email servers. You can upload active as well as an orphan Outlook data file to Yahoo, Zoho, Yandex, etc without any errors.

Open PST file in Office 365 Webmail

Are you an Outlook user and want to transfer emails to a webmail account? If yes, then this tool is efficient. Using this application, users can import PST file to office 365 instantly. You don't need to look for any other software for this process. All options are presented in a single user interface.

24/7 Technical Support

If users want to combine multiple Outlook email files into a single file, then PST Merge Tool is the best utility to perform this operation with efficiency and accuracy. This software is designed in a way that novice users can operate this software easily. Still, if users face any software related issue, then they can contact our 24/7 technical support. Users can also share their queries or problems via Live Chats. 

How to Merge Multiple PST Files into One?

Follow the complete instructions to merge multiple outlook pst files at once

Software Specification

Banner Image

System Requirements

Processor Pentium Class or higher

Operating System Windows 11, 10, 8.1, 8, 7

Memory 1 GB recommended

Hard Disk 100 MB of free space

License Delivery

Electronic via Email

Standard License


Pro License

MSG, EML, EMLX, TXT, PST, MBOX, HTML, MHT, XPS, RTF, DOC, Windows Live Mail, ICS, vCard, CSV, TIFF, BMP, GIF, JPEG, PNG, PDF, Lotus Notes, Zimbra, Maildir, Thunderbird, My Office Mail, Entourage (RGE) OLM, Gmail,, and Yahoo

Migration License

MSG, EML, EMLX, TXT, PST, MBOX, HTML, MHT, XPS, RTF, DOC, Windows Live Mail, ICS, vCard, CSV, TIFF, BMP, GIF, JPEG, PNG, PDF, Lotus Notes, Zimbra, Maildir, Thunderbird, My Office Mail, Entourage (RGE), OLM, Gmail,, Yahoo, Office 365, Exchange Server, Hosted Exchange Server, G Suite, IBM Verse, and Amazon Workmail

Who Loves Advik Software

Help us to serve you better by sharing your valuable feedback

star star star star star

4.8 Overall Satisfaction Rating! Based on 842 Reviews

✍ Share Your Feedback

Try it for Free

Download the Best PST Merge Tool of 2023 Now

Free Download100% Secure

*Free demo will merge 25 items from each folder for free

Download Now

Frequently Asked Questions

Ans. Follow the below steps to merge multiple PST files into one in Outlook 2016.

  • Step 1. Install and run the Advik PST Merge tool on your Windows OS.
  • Step 2. Select folder having multiple Outlook .pst files.
  • Step 3. Select the mailbox folders you want to merge and click the Next button.
  • Step 4. Choose PST as a saving option from the list
  • Step 5.Click the Convert button to start the process.

Finished! Now the software will merge pst file and remove duplicates in no time.

Yes, you can easily operate this tool on Windows 11, 10, and other previous versions.

Yes, this software is capable enough to combine corrupted, damaged Outlook data files into a single data file.

Yes, the software offers you to choose email folder(s) (like Inbox, Sent Items, Drafts, any customized folder) as per your choice.

Yes, Using Advik PST Merge Tool you can easily merge two Outlook archieve together

Yes, the software merge encrypted or password-protected PST file without any hassle.

Yes, the tool maintains the folder and sub-folder structure of Outlook PST data.

Yes, there will be no changes in folder and sub-folder hierarchy while merging data files.