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Optimizing Outlook Efficiency: Stellar Merge Mailbox for Outlook In-Depth Review

September 19, 2023 No Comments

by James, featured Tech blogger

Merging mailboxes is a common practice when you want to combine emails and messages from different user inboxes. But, doing a manual merge is cumbersome and error-prone. This is where tools like the Stellar Merge Mailbox for Outlook come in handy for merging PST files. Read on to know more about this tool and why you must use it.

Top Scenarios of Combining Two Mailboxes

Many scenarios would warrant you to combine two mailboxes. Some prominent ones are:

Centralized Communication

A popular scenario to merge mailboxes is when you want to centralize communication channels, so your employees can access and respond to emails of different IDs.  Let’s take the example of customer support. Often, you can have more than one customer support ID for different target audiences, but have a single team for responding to them. The response is faster and more efficient when you combine the mailboxes.

Employee Changes

Another common scenario is when an employee leaves and you want a different employee to take over the communication. Many organizations prefer to convert the leaving employee’s mailbox into a shared mailbox before terminating the user account. Other times, this mailbox will be merged into the account of another employee who takes over this role.

Simplified Backup and Recovery

Managing a single mailbox is often easier than multiple mailboxes, especially in the context of backup and recovery. This is why it’s a good idea to merge multiple mailboxes before doing a backup.

Improved Security

Implementing security controls and monitoring them across multiple mailboxes is a hassle and can lead to errors. Plus, this could open up security issues and possibly even compliance with security standards. To avoid these issues, it’s best to merge mailboxes into a single mailbox and implement all security controls in one place.

Regardless of the reasons, merging two mailboxes is a tricky process, as even a small misstep can lead to data loss. This is why tools like Stellar Merge Mailbox for Outlook can come in handy, as the complex merging process is masked by a simple interface, and at the same time, the chances for data loss are greatly reduced.

What is the Stellar Merge Mailbox for Outlook?

Stellar Merge Mailbox for Outlook is a powerful tool that can be used for merging or joining multiple PST files into a single file. The advantage of using this tool is that it can combine all the objects of both mailboxes, including emails, contacts, notes, calendars, tasks, and to-do lists while maintaining the original file content and structure of the mailboxes. This tool is also highly flexible, as it provides the option to join multiple PST files into a single file, creating a structured folder hierarchy in the destination file.

Key Features of Stellar Merge Mailbox for Outlook

Some key features of Stellar Merge Mailbox are:

– Merges multiple PST files into a single file for easy access.

– Joining multiple PST files of large sizes.

– Removes duplicate items while merging the files.

– Allows you to exclude deleted and Junk Items while merging the files.

– Enables you to save the merged file in multiple formats.

– Generates detailed log reports for your further reference and analysis.

– All these features combine to provide enormous benefits for your organization.

Benefits of Using the Software

A highlight of the Stellar Merge Mailbox is its ease of use. The interface is simple, uncluttered, and intuitive. All that you have to do is select the files that you want to merge, and the tool will handle the rest of the process for you. Besides this ease of use, here are other potential benefits of using this tool.

– Works well on all Outlook versions.

– Saves the merged content in a new or existing PST file, Outlook profile, Microsoft 365, or Exchange Server.

– Offers multiple options to save the merged PST file.

– Merges multiple online and offline mailboxes in the Technical version.

– Helps centralize your mailboxes and streamline access to them.

Step-by-step Guide to Using the Software

As mentioned earlier, a key strength of the Stellar Merge Mailbox for Outlook is its ease of use. Below is the step-by-step guide to using this tool.

Step 1:  Download and Install

As a first step, download and install this tool. You can download the free version, though some features may not be available. After you download, install the software by following the installation wizard. This is a fairly straightforward process and you can keep the default values.

Step 2: Add the PST Files

After installing the tool, double-click on it to open the tool. The main screen provides an option to add PST files. You can easily drag and drop two or more PST files you wish to merge into the tool. Alternatively, you can utilize its ‘Find’ feature to locate and add files from your device.

Once you’ve selected the PST files, click the ‘Next’ button.

Step 3:  Select Files or Folders  

A significant advantage of Stellar Merge Mailbox is the precise control it offers over which items should be included in the merged file. After selecting the PST files in the previous step, the tool displays a preview of all items from both PST files. You can pick the ones you want to include in the merged file.After making your selections, click the “Merge” button.

Step 4:  Use Filters

In this step, you can apply advanced filters to eliminate duplicate items. You also have the option to merge them directly into a Microsoft 365 account, add them to an Outlook profile, and more. Additionally, you can choose the destination folder.

The duration of this process depends on the size of the PST files.

Step 5: Monitor Progress

Once the merging process is complete, you’ll receive a notification. Now, open the destination folder to access the PST file.

As you can see, the user interface is quite simple and user-friendly, making the process easy to navigate.”. More importantly, you don’t have to worry about the complex process of merging content from two mailboxes or even worrying about removing duplicates. All of these happen in the background for you automatically.


Stellar Merge Mailbox for Outlook offers a free version, but it doesn’t have many advanced features. If you’d like to leverage the complete potential of this tool, choose from its two paid plans:

– Standard: $39 for a one-year license, and can be used in a single system only.

– Toolkit: $199 for a one-year license, and can be used in a single system only.


To conclude, your organization may face many situations where you’ll have to merge the contents of two mailboxes. Me possible scenarios can be to centralize communication, employee changes, implementing security, maintaining brand consistency, and more. Doing this process manually is tedious and can lead to possible data loss. This is where an advanced tool like Stellar Merge Mailbox for Outlook can help, as it comes with many features to merge your mailboxes safely and securely. In this article, we discussed the key features, benefits, and how to use this tool. We hope it helps you to merge mailboxes easily within your organization.

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