Stellar Merge Mailbox for Outlook Review

Stellar Merge Mailbox for Outlook Review

If you have multiple Outlook user accounts, you must be aware of the challenges you face while managing multiple PST (Personal Storage Table) files. Moreover, a user can have duplicate email data in the PST files. This issue can be resolved by merging or combining multiple PST files into a single one. In this way, you can enhance the performance of Outlook.

Manually merging various PST files into a single PST file needs a lot of effort and time. Besides, merging multiple PST files manually can result in data inconsistency issues. A great alternative is the merge PST file software that you can use to combine multiple files without spending a lot of time and effort. Stellar Merge Mailbox for Outlook is such a tool that offers multiple benefits.

What is Stellar Merge Mailbox for Outlook?

It is specialist software that you can use to merge different PST files into one file or document. Password-protected PST files can also be combined using this software. You can either generate a new PST file by combining several PST files or add freshly merged files to an existing PST file. It also enables you to remove the “junk or deleted” items folder from the PST files.

Key Features of Stellar Merge Mailbox for Outlook

It is amazing software that enables you to merge similar PST files to create a single large PST file. Stellar Merge Mailbox for Outlook also helps remove extra folders, manage the existing content, as well as remove unwanted duplicate files and spam. Some of the important features of this software are given below:

Merge Different-Sized Files

It is an ideal tool for all types of PST files no matter how big they are. You can merge Outlook PST files of any size using Stellar Merge Mailbox software.

Merge the Password-Protected Files

You can also combine password-protected files (restricted files). You will have to enter the password to unlock the files and then merge them with the help of this software.

Get rid of Duplicate Emails

Our mailbox may have multiple duplicated files for something that we have sent or received multiple times. It may be hard for you to find them and delete them manually. Stellar can help you in this regard. It identifies emails based on the sender’s email, name, date, time, or subject. Then you can choose them to delete permanently.

Different Saving Options

Stellar Merge Mailbox provides a wide range of choices when it comes to saving the merged PST files. You can save the PST file on your Outlook profile, Office 365, or exchange servers. You will have to specify the location for the final PST file when merging multiple files.

Merge Quickly and Easily

This software enables you to join different PST files such as emails, journals, contacts, notes, calendars, and more into a single PST document. It keeps the content and structures original as in the source folder while combining information from different similar folders.

How to Use Stellar Merge Mailbox to Merge PST files?

Merging PST files with Stellar Merge Mailbox is easy and involves some simple steps. Follow the below-mentioned step-to-step guide to combining multiple PST files using Stellar Merge Mailbox on Outlook:

  • Step 1: To merge several PST files, open the software on your computer and add PST files one by one that you want to combine. You will have two options to combine the PST files. The first way is to choose the desired PST files one by one from the Home menu and the other one is the drag-and-drop option. You can also use the search bar to find the PST files on your computer. It is a great option if it is hard to locate the files.
  • Step 2: Once you have selected all the PST files that you want to merge, press the “next” button.
  • Step 3: Select the different merger options from the choices like save options, exclude items, and duplicate criteria. Now select the desired location where you want to save your combined file using the “browse” button.
  • Step 4: Now press the “Merge PST” button to begin merging files. Once the process is done, your resulting merged PST file will be saved in your specified location.

System Requirements for Stellar Merge Mailbox

This software requires an Intel-compatible (x86, x64) processor and a minimum memory of 4GB. Stellar Merge Mailbox is compatible with Windows 7, 8, 8.1, and 10. A hard disk space of 250 MB is required for the installation of files.

Pros and Cons of Stellar Merge Mailbox


  • The software has no restrictions for file type and size.
  • It has an easy-to-use user interface.
  • You can save PST files as per your choice and at any location.
  • The software keeps the originality of your content
  • It also helps remove unnecessary junk and deleted folders.


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Stellar Merger Mailbox for Outlook is a tremendous tool for people who want to keep their files organized and hassle-free. This software is easy to use and performs a tiresome task that requires lots of work if done manually. It also reduces errors in the content. You can choose a free trial to learn how this software works then you can go for a paid version. It is recommended to try Stellar Merge Mailbox for outlook if you are facing issues with duplicate files, unnecessary interruptions, and spam folders.