How to Import MBOX to Roundcube Safely With No Data Loss?

Published By Jamie Kaler

Approved By Rollins Duke

Published On October 30th, 2025

Reading Time 5 Min Read

Overview: In this article, we will read everything about MBOX to Roundcube. The article covers the manual as well as the professional solution to import MBOX to Roundcube. It also contains the reasons for importing MBOX to Roundcube webmail. Hence, read the entire article for detailed information.

Importing MBOX to Roundcube involves transferring email data stored or saved in MBOX files into the Roundcube webmail platform. MBOX is a widely used mailbox file format that saves or stores email messages from email clients such as Thunderbird, Eudora, and Apple Mail. Users import MBOX to Roundcube webmail for accessing old email directly through hosted email services. This import process helps in simplifying the management.

Introduction to Roundcube

Roundcube is a free, open-source webmail client that allows users to access and manage emails through a web browser. It provides a modern interface for sending and receiving email directly on the mail servers.

Need to Import MBOX to Roundcube

Users who want to access personal MBOX emails from anywhere using a browser instead of a desktop email client.
IT Administrators who want to centralize multiple users’ mailboxes into one accessible webmail platform.
The process for importing MBOX to Roundcube Webmail is done to access the old emails directly in Roundcube.
It is done for simplifying email management through a simple online platform.
It is also done to backup necessary emails to a new hosting environment.

Manual Way to Import MBOX to Roundcube

Open your webmail account and log in, and make sure that you are using the Roundcube interface.
Click on the Roundcube logo under the Open your inbox section.
Now, click More for Menu and select the Import option from there.
Now, click Browse for uploading your file and select the MBOX file from your computer.
Lastly, click on the Import option.

Note: If the file size is larger than 55MB, you have to split it into smaller files to avoid errors. For this, experts always suggest using the professional MBOX Splitter.

Why Prefer the Professional Way Over the Manual Way?

The manual method has file size restrictions of 55 MB. Therefore, large MBOX files must be split before importing them.
It is a time–consuming process and it requires effort.
You can only import a single MBOX file at a time, which is not efficient for users with multiple accounts.
The manual method requires technical knowledge, which can lead to confusion or complexity among users having less or no technical knowledge.
There are chances that some emails and attachments may not import properly, which can result in incomplete data transfer.

Professional Way to Import MBOX to Roundcube

The manual way has file size restrictions and many more limitations. Therefore, in order to import MBOX to Roundcube properly and efficiently, experts and professionals recommend using the RecoveryTools MBOX Migrator. It is a trustworthy and reliable software to import MBOX to Roundcube Webmail. This software is an independent solution and does not require the installation of any other software along with it. It is compatible with both Windows and MacOS.

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Steps to Import MBOX to Roundcube Webmail Professionally

Read the following steps provided below to understand how to import MBOX to Roundcube Webmail quickly and securely.

Install the software on your computer device and read the instructions carefully.
Now, add single or multiple MBOX files or folders.
Select the required MBOX folders that you want to import to Roundcube.
Now, select “IMAP” from more than 30 saving options provided in the software.
Enter the Roundcube login credentials, such as email address and password.
Lastly, click on the “Convert” option to see the live conversion process and to successfully import MBOX to Roundcube.

Professional Assistance: If you have any doubt regarding this professional MBOX to Roundcube Importer, you can directly contact the RecoveryTools Support Team. The Support Team can manage the import process from MBOX to Roundcube remotely, ensuring complete data integrity and safety, and also providing certificates for the same. You can also ask the support team to customize the tool according to your work requirements.

Features of the Professional Tool

The software provides a free demo trial version for users to check the productivity and efficiency of the tool.
Users can convert MBOX files along with the attachments, emails, contacts, calendars, and many more.
It preserves and maintains the original folder hierarchy and email components.
The tool provides dual options for adding the MBOX files.
The tool has a simple and user-friendly interface and can batch import MBOX to Roundcube.
After the import process is completed, the tool provides a detailed log report.

Conclusion

In this article, we learnt everything about MBOX to Roundcube and the manual and professional methods to import MBOX to Roundcube. Additionally, after a complete evaluation, professionals recommend using the advanced tool such as the one mentioned above. It is one of the top tools for importing MBOX to Roundcube webmail and is a reliable and trustworthy solution. If you want to import MBOX to Roundcube professionally with no waste of time and effort, it is a must-try software.

For More Assistance: If you have any query regarding the pricing or features of the tool, you can directly email us at [email protected], or you can also go for the live chat support. The Support Team will shortly respond to you and will try their best to solve all your queries regarding the MBOX to Roundcube import process.