How to Merge PST Files Without Outlook?
rebecaNowadays we all need a platform for communicating with others for personal and professional use. Outlook is one of the best platforms for sending/receiving emails, saving contacts, managing calendar data, and much more. It is used worldwide and now users have a problem with it and that is several PST files. To solve this problem, you need to merge multiple PST files into one but have not found a reliable solution. Most users are looking for a solution to merge PST files without Outlook. If you are one of them, don't worry, here's the best solution that will allow you to merge two or more PST files without installing the Outlook application.
Why Do Users Need to Merge Outlook PST Files?
There can be many reasons to combine PST files into one file according to the user's requirements. Some of the most common reasons are listed below:
- To avoid data corruption
- Maintain Outlook performance
- Avoid Opening multiple PSTs
- To easily share a PST file
- Migrate into other program or application
These are some common scenarios by which users need to merge multiple PST files into One. Now, let’s move further to the solution.
How to Merge PST Files Without Outlook? - Successful Solution
Frankly, there is no manual solution is here that helps you to merge Outlook data files without installing Outlook application in your system. But don’t worry, there is an alternate solution is available that make it possible to combine PST files without Outlook. The SysTools PST Merge Tool is such a solution that allows you to merge Outlook PST files without installing Outlook application in the system.
This software offers three options for merging PST files: merging into a new PST file, merging into existing PST or merging into Outlook profile. With the Merge to new PST option, the user can merge PST files without Outlook. It supports all Outlook versions including Outlook 2019, 2016, 2013, etc.
Step by Step Guide to Merge Multiple PST Files Without Outlook
Follow these steps to combine multiple PST files into one without installing Outlook application:
Step 1: Download PST Merge tool, install and run it on your system.

Step 2: Add PST files that you want to merge.

Step 3: Click on the Merge tab and click Next.

Step 4: Choose folders you want to merge and click on Merge in New PST file option.

Step 5: Now, choose the location to save the output on your system.

Step 6: Next, select items like Mail, Contact, Calendar, Task, Notes, and Journals.

Step 7: Check the “Skip Duplicate Items” and select the fields to remove duplicates.

Step 8. Click on the Next button to start the process.

Done! This is the complete process to combine PST files into one without any file size and data loss issues.
Features of Outlook PST Merge Software
This application gives multiple features for the user to merge multiple PST files into one. Some of them are listed below:
- Merge PST files without Outlook Installation
- Two different options: Merge and Join PST files
- Remove duplicates from Outlook emails, contacts, calendars, etc.
- Option to merge all folders or only selected folders
- Supports to merge archive PST and password protected PST
- Facility to merge in existing PST or Outlook Profile
- Compatible with all MS Outlook and Windows versions
- Able to merge ANSI and UNICODE PST files into a single UNICODE PST
- No file size limitations to merge Outlook PST files into one
Final Words
Managing data is very important to all of us to protect data from loss. Just like Outlook users want to merge their data files to avoid data loss problems. In this blog, we discussed the best and most successful way to merge PST files without Outlook. There is no manual solution to do this. Therefore, we recommend the expert-recommended tool to combine PST files without installing the Outlook application.