How to Import MSG files into Roundcube Webmail ?

Leena Taylor Paul
Updated: Feb 4, 2026 • Import • 6 Min Read

Summary: You can import MSG files into Roundcube Webmail using a dedicated MSG to Roundcube importer tool. The tool converts MSG emails and uploads them directly to your Roundcube account via IMAP. All email data, metadata, and attachments are preserved. Roundcube does not support native MSG import, so a converter is needed.

MSG is Microsoft Outlook’s native email format. A dedicated importer converts MSG files and delivers them into your Roundcube mailbox without any manual steps.

MSG to Roundcube Importer Tool: A complete solution

4n6 Email Converter is the solution by which you can import MSG to Roundcube webmail account automatically. This application can help you in all the way possible. This is one of the most trusted and reliable solution available.

Let us give you a valid reason to use this tool: Must read

This tool is a platform where you can import your files from any of the email service. Whether it’s a desktop based, or cloud based. It successfully supports all of them.
You can easily export your files of different file formats. This tool is sufficient to open your all the files such as MBOX, EML, MSG, DBX and so on. You don’t use different tool of different files. Use this tool for all the files.
This tool allows you to add multiple IMAP supported email account. So, if you want to import data from different email account you can add your all the account at once and then can transfer your data by open IMAP configured accounts.

These are some of the highlighted in-built function of this MSG to Roundcube importer tool. If you find this tool very useful to you, you must know the process through which you can import MSG files into Roundcube.

How to import MSG to Roundcube Webmail – Step by step

After running the application on system
Go to open tab and click on email data files
Select MSG files
Select the files from the desktop and open them on the tool
Now, go to export tab and select IMAP
Enter your Roundcube email address and password
Select the files to import into Roundcube and then,
Click on the save button

These are the steps by which you can import you MSG files into Roundcube. You can also send your MSG files into different email client such as Gmail or Outlook and many other email services using the IMAP setting.

Inside look at the 4n6 MSG to Roundcube importer tool

When you open this application, you will face a one of the best user interface, with only few tabs on the tool bar. Let’s go through these tabs and see what these tabs contain.

Open tab: It provides you different options such as;

Email data files; this contains all the file formats to be imported or open. You can easily import these files to any of the email client according to your convenience. This setting also allows you to open these files. As you know all the file formats like MBOX and DBX requires supported application to be opened. In this situation you can use this tool.
Desktop email clients; this setting contains all the desktop based email clients. You can use this to open configured accounts to send all the data from one desktop based account to some other account. Your email service may contain lots of email message; you can send all those files to new accounts using this tool.

Export tab. This tab contains lots of documents files and also emails services to which you can export your data. When you send your files from one email service, you need to go to export tab to select the email to which you are about to export your data.

Extract tab. This option allows you to extract files from one email service. When you are in need of all the attachments phone number from any email account you can easily extract with the help of this tool.

The other tabs are register and buy now. You can buy the subscription from this tool for the unlimited use.

Let’s understand why people are choosing Roundcube Webmail to Save and Manage Emails

Roundcube is used by most of the business people, because they want to use email service which can contain their domain name, rather than Gmail.com or Yahoo.com

Roundcube is most flexible which can be open by using any standard web browser.
The user interface of this application is very easy to use.
You can open your email anywhere you want.

Conclusion

In this blog, we have provided a complete solution to import MSG files into Roundcube. Using our solution, you can import MSG files with all its properties. If you are happy with our solution, let us know. If you have any query, you can contact us any time. Kindly give us suggestion.

Common Errors When Importing MSG Files into Roundcube

Roundcube IMAP connection refuses: Check your Roundcube IMAP server settings (server address, port 993, SSL) and use your full email address as the username in the importer.
Some MSG files fail to convert: Corrupted or incomplete MSG files may be skipped. Open failing files in a standalone MSG viewer first to verify their content is intact.
Attachments are missing after import: Verify that attachment extraction is enabled in your importer settings before starting the conversion.
Emails appear in wrong folders in Roundcube: Configure folder mapping in the importer before starting. Map each source MSG folder to the correct Roundcube destination folder.

FAQ: Importing MSG Files into Roundcube

Does Roundcube support native MSG file import? No. Roundcube does not have a built-in MSG importer. A dedicated converter tool is required.
Do I need Outlook installed to import MSG files into Roundcube? No. A standalone MSG to Roundcube importer reads MSG files without needing Outlook.
Can I import hundreds of MSG files into Roundcube at once? Yes. A batch importer processes a folder of MSG files and uploads them all to Roundcube in one run.
Will attachments in MSG files appear in Roundcube after import? Yes. All email attachments transfer to Roundcube along with the email content.
Will the original MSG email dates be preserved in Roundcube? Yes. A good importer tool preserves original send and receive dates during the import.