Learn How to Merge MBOX Files Using 2 Easy Methods

Written by john shakespeare  »  Updated on: May 01st, 2025

Summary: In this blog, we will inform you of the best ways to merge various MBOX files into one file.

Nowadays, every user wants to merge MBOX files into one file, because users face many problems with multiple files. If you deal with the same situation, then this blog is for you; it helps you to understand the entire process. There are 2 ways to merge MBOX files: from manual methods to using a professional tool. We understand your problem, and through this article, we will help you solve your problem.

Why Merge Multiple MBOX Files?

It's a smart plan to merge multiple MBOX files into one because it makes your work simpler, and you should merge everything more smoothly. When you have a large amount of data or important information in separate files, you face many problems, your system will hang, or your disks could get corrupted. If you want to combine all your MBOX files into one file, there is a better chance of never facing the same issue. When your emails are all in one file, handling them becomes much easier. It saves your time, too.

Learn How to Merge MBOX Files?

Multiple MBOX  files can be combined into a single file in two different ways. Below are a few of the easiest steps to complete this process.

Method: 1 Using the Manual Method to Merge MBOX Files

  1. Open the Thunderbird Application.
  2. Now, go to Tools.
  3. Then, you see a menu, and then choose add-ons.
  4. After that, from the left-hand side and click on the extension option.
  5. Now get the ImportExportToolsNG.
  6. Then, Right-click on Local Folders to create New Folder.
  7. Right-click the folder, ImportExportToolNG, then tap on Import MBOX file.
  8. Next, choose to import directly one or more MBOX files. Select your files.
  9. Now, drag and drop emails from imported folders into one folder.
  10. Lastly, you’ll see that your files have been merged and moved to the location where you wanted them.

Limitation

The manual method may seem easy, but it has several issues that are very time-consuming. This method is only fine when merging a few MBOX Files, but if you have to handle multiple MBOX files, this method is not ideal.

If you want to save your time and effort, then you should use the MBOX merger software. which provides an automated way to merge multiple MBOX files into one.

Method: 2 Using Automated Method to Merge MBOX Files

This is the Best MBOX Merger tool that helps merge multiple MBOX files into a single file. You can easily combine MBOX files without changing their format or losing any email details. In simple words, using this tool will save you time and increase your productivity.

  1. Firstly, install the software on your computer.
  2. Start MBOX Merger Software and click on Add File(S), Add Folder(S).
  3. Then, you can also select multiple MBOX files to merge into a single file.
  4. Now, the tool will show all the MBOX files that you have added already.
  5. Also, we have more options to remove any MBOX file if you want to just click on the Remove button to do so.
  6. After that, click on the next button to move ahead with the merge process.
  7. In this section, you will have various customized options such as naming new MBOX file, merging existing MBOX files, split MBOX after file size, merge MBOX within date range, and select the destination path where you want to save your resultant files.
  8. Then click on the Merge button to combine the selected MBOX files.
  9. At last, click on the View Report button to generate a detailed report.
  10. Check the report, go to the destination folder path, where you will find your merged MBOX file.

Prime Features of Combine MBOX Files

  • Combine MBOX Files in a New File.
  • Preserve all Metadata and Attachments.
  • Merge Multiple MBOX Files using bulk mode.
  • Save Output files in a Desired Location.
  • Cross-Platform Compatibility.
  • All in one Merge report.
  • Compatible with MBOX Email Clients.

Benefits of merging MBOX files into One

  • It makes it easy to move emails from one place to another.
  • Easily combine multiple MBOX files into one.
  • It provides several features to ease your task.
  • Keeps your email safe while merging.
  • Help with backup, one file is easier to save.
  • Keep your data neat and clean by reducing too many of separate files.

Conclusion

In this blog, we have provided you with all the crucial and useful information. This blog will be very helpful for you. It provides all the effective methods to merge multiple MBOX files at once. We've discussed both manual methods and using an automated tool; however, we recommend using software because it has many features and saves your time. The process becomes very smooth and safe, and it completes without any data loss.



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