How to Migrate Roundcube Webmail to Gmail – Top 6 Methods in 2026

Published On

July 22nd, 2026

Reading Time

9 Minutes Reading

You can migrate Roundcube webmail to Gmail in two proven ways. You can do so using Gmail’s built in mail import feature, or using a professional migration tool for faster, and bulk transfers with attachments and folder structure intact. This blog covers both methods step by step.

Real Users Query: Hello, I am looking for a solution to batch migrate multiple Roundcube webmail mailbox data to my personal Gmail account. I found some solution, but it seems that none of them can completely solve my query.

Common Reasons to Migrate Roundcube Webmail to Gmail

There are several reasons why migrating Roundcube data to your Gmail account is very useful.

Gmail is known for its best reliability, popularity, and uptime. This is very good strategic for users or organizations who always prioritize service which is available anytime, anywhere.
Gmail is an email service optimized for mobile phones, providing a very seamless experience across multiple platforms.
Gmail program is integrated with the most popular Google Workspace (formerly known as G Suite). With this, you can easily collaborate with Google Drives, Google Meet and more.
In terms of security, Gmail is the best, including two-step authentication, spam detection, and anti-phishing features.

It is very important to remember that the decision to migrate Roundcube webmail to Gmail account depends on your personal and professional preferences.

Roundcube vs. Gmail: Feature Comparison

Feature	Roundcube	Gmail
Storage	Based on hosting plan	15GB free
Spam Protection	Basic	Advanced & AI-based
Two-Factor Authentication	Rarely available	Yes
Mobile App	Limited/none (webmail only)	Full featured iOS and Android app
Integration	Standalone	Google Drive, Meet, Calendar, Workspace
Search	Basic keyword search	Advanced search
Interface	Dated, hosting dependent	Modern, regularly updated

What You’ll Need Before You Start?

You need to gather the following details from your hosting provider or Roundcube settings before you begin the migration.

Email Address – Your full Roundcube email address.
Password – The password for your Roundcube webmail account.
Incoming Mail Server (IMAP) – Generally mail.yourdomain.com.
Port Number – 993 (SSL/TLS) or 143 (non-SSL).
Gmail Account – The Gmail address you are migrating your emails into.

You can easily find your Roundcube server details by logging into your hosting account. Or, you can check your existing webmail settings.

Methods to Migrate Roundcube Webmail to Gmail

There are several approaches to migrate Roundcube to Gmail account including:

Method 1: Add Roundcube as a Mail Account in Gmail (POP3 Fetcher)
Method 2: Use Gmail’s “Import Mail and Contacts” Tool
Method 3: Migrate via Thunderbird (IMAP Bridge)
Method 4: Set Up Auto-Forwarding in Roundcube
Method 5: Forward Individual Emails Manually
Method 6: Automatic Tool

We’ll explain all the methods step by step in detail below. Please follow them carefully:

Add Roundcube to Gmail As a Mail Account (Free POP3 Fetcher)

Gmail has an in built mail fetcher that lets users import emails from another account using IMAP or POP3 for free. Please follow the steps below:

Sign in to your Gmail account using a Web browser.
Click the Settings / gear icon, and select “See all settings”.
Now, go to the “Accounts and Import” tab.
Under “Check mail from other accounts,” click “Add a mail account”.
Enter the Roundcube email address and then click “Next”.
Select “Import emails from my other account (POP3)” and then click “Next”.
Enter Roundcube password, and incoming mail server with the correct port number
Choose whether to leave a copy of the emails on the Roundcube server, or whether to label incoming messages.
Click “Add Account” to begin the import.

Now, Gmail will now begin pulling your Roundcube emails into your inbox. The process time will depend on the size of your mailbox.

Limitations of this method:

This method can only import emails. It cannot import Roundcube contacts and calendars to Gmail.
This method is very slow for large mailboxes
Requires valid IMAP / POP server details from your host.
Requires users to have significant technical knowledge.

Use Gmail’s “Import Mail and Contacts” Tool

This is another native Gmail feature. It is ideal if you also want to bring over contacts.

Sign in to Gmail and go to Settings >> See all settings.
Open the “Accounts and Import” tab.
Under “Import mail and contacts” click “Import mail and contacts”.
Enter your Roundcube email address and click Continue.
Enter Roundcube password and then authorize access.
Choose whether to import contacts along with mail, and click then Start import.

Limitations:

The import process can take up to a few days for large accounts
Gmail does not guarantee folder structure is preserved.

Migrate Roundcube Email to Gmail via Thunderbird (IMAP Bridge)

Download and install Thunderbird mail client.
Open Thunderbird and add your Roundcube account using IMAP server details.
Now, wait for Thunderbird to completely download Roundcube emails.
Add your Gmail account to Thunderbird as a second account via IMAP.
Now, your both accounts are visible in Thunderbird
Drag and drop folders or individual emails from Roundcube account into Gmail.

Limitations:

It is very time consuming as you need to drag and drop one by one.
You need to install a third party mail client.

Set Up Auto-Forwarding in Roundcube

This method is suitable if you only want new incoming emails to reach Gmail rather than migrating your existing archive.

Log in to your Roundcube webmail account.
Go to “Settings” >> “Filters” or “Forwarders”.
Click Add Forwarder or create a new filter rule.
Enter your Gmail address.
Save the rule.

New emails incoming in Roundcube will now also be sent to your Gmail inbox automatically.

Limitations:

Only forwards new mail.
It does not migrate existing Roundcube emails to Gmail account.

Forward Individual Emails Manually

Open the email in Roundcube webmail.
Click “Forward”.
Enter your Gmail address in the “To” field.
Click “Send”.
Now, repeat for each email you want to move.

Limitations:

This method is not practical beyond a few emails

If you want to migrate Roundcube accounts to Gmail while preserving folder hierarchy, or move contacts and calendars, use the automated method below.

Migrate Roundcube Webmail to Gmail Automatically

4n6 email backup software is the simplest and fastest way to migrate emails from Roundcube to Gmail account. This tool is unlike the Gmail Mail fetcher tool that pulls emails only and requires technical expertise from the users. This software automatically transfers emails, contacts and calendars while keeping folder structure and attachments intact.

Download Now Purchase Now

It’s available in a free trial that you can download from the button above. Also, you can check the step by step below to determine the tool’s working.

Steps to Migrate Roundcube Emails to Gmail Account

After downloading, install the application properly on your system, and run it. Now, firstly, click the Open button from the top.
Here, you will get the different options. Kindly select Add Account option from the given drop-down list.
Now, kindly enter the correct login details of your Roundcube webmail account such as email address and password.
Click the Add button and enter the IMAP details of Roundcube webmail account. And, click the Add button.
Now, you can see that the app starts analyzing the data of Roundcube webmail account. It will quickly load all the data on the left panel.
Click the Export button and you will see a list of export options. Here, kindly choose Gmail account.
Enter the login details of Gmail account and click the Save button to begin the migration from Roundcube to Gmail.

By following the above step-by-step guide, you can safely and easily, migrate complete Roundcube webmail account data to Gmail account.

Similarly Read

Key Features of the Software

Webmail Backup Software is completely reliable, tested, & easy-to-use.
Easily migrate unlimited Roundcube webmail data to Gmail.
Supports to migrate multiple Roundcube mailboxes data to Gmail at once.
Preview Roundcube webmail data such as content, message headers, and more.
Migrate Roundcube emails to Gmail including all email fields like To, Cc, Bcc etc.
This Gmail backup software is compatible with Windows 11, Windows 10, and below editions.
Supports to migrate emails from specific sender, recipient and subject.

Which Method Should You Use? Quick Comparison

Method	Cost	Migrates	Speed	Best For
1. POP3 Fetcher	Free	Emails only	Slow	Small data
2. Import Mail & Contacts	Free	Emails + Contacts	Medium	Contacts
3. Thunderbird Bridge	Free	Emails (folder-by-folder)	Slow	Folder control
4. Auto-Forwarding	Free	Future emails only	Instant (ongoing)	Switching to Gmail
5. Manual Forwarding	Free	A few emails	Very slow	Handful of important emails
6. Automated Software	Paid	Complete Data	Fast	Bulk migration, businesses

Frequently Asked Questions

Q1: What is Roundcube webmail?

It is a web-based IMAP supported email client application used by many hosting providers. Roundcube offers the basic management features but lacks the advanced tools of modern platform such as Gmail.

Q2: Benefits of migrating data from Roundcube webmail to Gmail account

Users often migrating from Roundcube webmail to Gmail account due to several reasons like:

Better spam protection
More free storage
Integration with Google Workspace
Advanced search facility

Q3: Is it possible to manually transfer all old emails from Roundcube to Gmail account?

Yes, you can migrate all emails using Gmail Mail Fetcher (POP3) or an IMAP Migration.

Q4: What are the IMAP Server settings for Roundcube?

Incoming Mail Server (IMAP): mail.yourdomain.com
Port: 993 (SSL/TLS) or 143 (Non-SSL)
Encryption: SSL/TLS (Recommended)

Q5: How to transfer Roundcube email to Gmail including contacts, calendars, and other data at once?

To transfer all data from Roundcube account at once, you have to use the suggested professional Roundcube to Gmail software. With this app, you can migrate Roundcube emails, contacts, calendars, and other data at the same time.

The Conclusion

The above content covered how to migrate Roundcube webmail to Gmail account. Here we have outlined common reasons why it is very beneficial to perform such a migration. We have also provided a complete solution to complete this task. With the help of the proposed application, you can migrate selected data or several data to Gmail without any problems.