Choose Best Method to Migrate RoundCube to Office 365 Account

Admin | Email Conversion email migration Software Technology | 4 minutes read | Last updated on February 8th, 2023,

Email applications are very important to us as they help us to send and receive email messages. Whether we are using it for professional or personal use, but all of us are using them. There are many email applications available online to choose from. Since each of them provide varied functions, we can choose the one, accordingly.

Nowdays, most users prefer webmail applications instead of desktop based applications. RoundCube is one such webmail application that enables users to manage their emails and contacts. But sometimes, they need to migrate their emails from RoundCube to another better webmail application like Office 365. The reason may be any, but if you are also searching for a solution to migrate RoundCube to Office 365, then read this blog that will guide you with the complete migration process in straightforward manner.

Why Migrate RoundCube to Office 365?

There are multiple benefits provided by Office 365, which makes it best choice to migrate RoundCube emails to Office 365. Some of them are discussed below :

  • Office 365 provides various productivity services like MS Office web apps, emails, instant messaging, web conferencing, voice and video conferencing, unified messaging etc.
  • Easily communicate and collaborate with colleagues and peers
  • Seamless integration with MS Office other Microsoft programs
  • Instantly access emails, calendars, contacts documents etc. from any device at any time
  • No additional charges for software upgrading
  • Flexible subscription plans according to requirements

Is there any Manual Method to Migrate from RoundCube to Office 365?

Though, you can manually transfer your RoundCube mailboxes to O365 account, but it is not the recommended solution because of the high risk of data loss issues. Also, the manual steps are sometimes very tricky (they may vary due to system configurations and other related issues) and seems difficult for non-technical users to follow them. Any missing step may also lead to complete data damage or loss.

However, if you still want to know, then follow these steps to manually export RoundCube emails to O365, which is a two phase process :

Phase I : Extract Emails from RoundCube

  • Login to your RoundCube webmail account
  • Select the email message that you want to download
  • Tap on More button >> select Download (.eml) from the drop down menu
  • The selected email will be saved as .eml

Now repeat the process again to save other RoundCube emails too, one at a time.

Once you have all RoundCube emails downloaded to your system, next move to second phase.

Phase II : Move extracted RoundCube emails to Office 365

You can either execute this process manually or choose any third party EML to Office 365 Converter, as per your requirement.

Get Best Alternative Solution – Chosen by Experts

RoundCube Backup Tool is a complete professional utility that provides instant solution to migrate RoundCube to Office 365 including all accurate details. The software is capable of moving complete mailbox data of particular RoundCube user account directly into O365 OWA. It’s a complete independent application doesn’t need any other software for smooth functioning. The only thing it needs is login credentials of both source and destination user accounts. Moreover, the software is completely easy to use and provides simple steps to migrate from RoundCube emails to Office 365 account, as given below :

Steps to Migrate from RoundCube to Office 365

  • Download and launch software on Windows OS
  • Select RoundCube as email source and enter your login details
  • Software loads RoundCube Mail folders list

  • Select Office 365 from select saving options
  • Enter your Office 365 login details for importing RoundCube emails in O365

  • Select required mail folders and filters. Click Backup Button

  • Software will start migrating RoundCube mail folders to specified O365 account and on completion, show the message “Conversion done successfully”.

What Benefits Does RoundCube to Office 365 Tool Offers?

  • Supports direct migration of emails from RoundCube Server to Office 365 user account
  • Keeps all emails Meta headers, formatting, hyperlinks, images etc. intact
  • Maintains accurate folder hierarchy during migration process
  • Supports selective folder migration from complete RoundCube user account database to O365 OWA
  • Provides advance filters to move selective RoundCube emails to OWA
  • Simple to use utility for both technical and non-technical users
  • Needs internet connection to migrate from RoundCube to Office 365 portal
  • Save log report of complete email backup process
  • Suitable for all Windows OS – 10, 8.1, 8, 7 etc.


In this blog, we have discussed various reasons and solutions to migrate RoundCube to Office 365. Though there is a manual method but you need to be a technical expert to use it. If you are a non-technical user, then using a professional RoundCube to Office 365 Converter Tool you can easily move your complete mailbox from RoundCube server to OWA with accurate details. Moreover, you can also try its FREE demo edition that allows to migrate first 20 emails from RoundCube to O365 account.