How to Migrate Kerio to Exchange? Best 2026 Guide

Kerio to Exchange migration is not a simple process as it seems since there is no direct method available. This leaves users struggling with complex and time-consuming methods. Here, in this guide, we will get you familiar with the tested manual and pro Kerio to Exchange migration tool to import Kerio emails to Exchange account in a secure and hassle-free way. Read the complete article without skipping, this will help you understand the query in a more clear way.

Why Migrate Kerio to Exchange Online?

• Exchange provides built-in advanced security features which helps to safeguard sensitive business data.
• Microsoft continuously updates Exchange with latest improvements unlike Kerio Connect.
• Exchange Online offers users seamless integration with Microsoft 365 applications like Teams, OneDrive, and SharePoint.
• In addition, Exchange supports a powerful admin center that allows IT administrators to manage users as well as permissions from a single dashboard.

Manual Method to Import Kerio emails to Exchange

There is no direct method to perform Kerio to Exchange Online migration but using this manual approach you can export Kerio mailboxes into Exchange. But this method requires Outlook, so ensure you have installed it on your system.

Note: Before proceeding with the steps first install the Kerio Outlook Connector. Without it, you cannot start the migration process.

Phase 1- Add Kerio & Exchange Accounts

1. Open Outlook.
2. Go to File > Info > Add Account.
   
   
3. Enter your Kerio Connect email address and choose IMAP.
4. Next, verify with OAuth authentication.
5. Repeat the same process to connect your Exchange account.
6. Wait for both the accounts to sync emails.

Phase2- Drag & Drop Emails

1. Once you have both the accounts configured in Outlook.
2. Open the Kerio folder and simply drag and drop emails into the Exchange folder.

This is how you can transfer Kerio Connect messages to Exchange Online account. However, this method may seem to be easy but it holds its own limitations, let’s understand them.

Drawbacks of the Manual Method

• It is a time taking process as there are a lot of complex steps involved.
• Only emails are transferred into an Exchange account instead of contacts, calendar or tasks.
• The configuration process depends upon your internet speed, any interruption can lead to incomplete migration.
• Outlook and connector installation is a must.
• This is not a suitable way for beginner users to migrate Kerio to Exchange.

How to Migrate Kerio Connect to Exchange Online Server?

1. Firstly, Install & Run the Kerio to Exchange migration tool & read important instructions displayed on the home screen.

   

2. Load Kerio Mailbox user items by clicking on “Select Files” or “Select Folders”.

   

3. Also, you can Export Multiple Users’ mailbox items while “I am converting Multiple Users”.

   

4. Now choose Kerio Mailbox items including Emails, Calendars, Contacts, Drafts, INBOX, Junk E-mail, Notes, Sent Items, Tasks, and  Deleted Items.

   

5. Select the “Exchange Server” option from the list of Select Saving options for the Kerio to Exchange migration.

   

6. Then, Enter the Domain Name, Password, and Server Name of the “Exchange Server”. One can also select the language as well option to copy to default folders.

   

7. Lastly, once you set up all options completely click on the “Next” button to continue. Analyze the live Kerio to Exchange migration process in the application panel.

   

The After Work:

Once the process is completed successfully, all your Kerio Mailbox items will get transferred into the Exchange Online Server account. Login to your Exchange Server to check & verify emails.

Answers to Common Queries

Q1. Can I migrate Kerio Connect large mailbox data at once?

Ans: Yes, this software is capable of converting bulk Kerio data to Exchange in single go without losing or altering any data.

Q2. Does this software preserve the quality of all Kerio Connect emails?

Ans: Yes, the above Kerio to Exchange migration tool preserves all email quality and also maintains email header metadata like Bcc, Cc, and To intact.

Q3. Can I export Kerio data with attachments?

Ans: Yes, using the software you can convert Kerio connect data to Exchange Online with attachments, folder hierarchy, calendars, contacts and tasks.

Final Words

Finally, in the above article we have discussed the manual and pro approach to perform Kerio to Exchange migration. While the manual way is basic for email transfer and is time-consuming plus not suitable for non-technical users. Whereas the automated Kerio to Exchange migration tool ensures smooth, secure and efficient transfer while eliminating the risks. It is suitable for all kinds of users. So, the choice is yours. Always choose the right method based on your requirements.