How to Migrate Kerio Connect to Gmail? Updated 2026 Guide

  

Rollins Duke   
Published: April 14th, 2026 • 6 Min Read

Migrating from Kerio Connect to Gmail has become a common requirement for users who want to upgrade their email environment and want everything on cloud. In this complete guide, we have covered practical and tested manual as well as automated solutions to migrate Kerio Connect to Gmail in a hassle-free way.

However, there is no direct process available, that is why users often face challenges. To make things easy to understand, this article explains each method step-by-step along with pre-migration tips and limitations. Read it till the end.

Why Do Users Migrate Kerio Connect to Gmail?

• Gmail is a cloud-based platform and does not require local server setup unlike Kerio Connect. This reduces maintenance cost, manual setups and server monitoring headache.
• One of the major reasons is, Gmail offers enterprise level security including 2FA, spam and phishing protection etc.
• Migrating Kerio to Gmail enables users to have strong integration with Google Drive, Google Docs and other applications.
• With Gmail, users can easily access data anytime and anywhere even in their mobile phones.
• Kerio Connect is less updated as compared to Google ecosystem.

Pre-Migration Checklist

Check & follow these steps before starting with the manual migration. They will help you avoid errors, data loss and any disturbance during the process.

• Ensure you have enabled IMAP in the Kerio Connect server.
• Install the latest version of Outlook classic.
• Make sure your Gmail account has enough storage to import Kerio emails.
• Delete spam, trash and unwanted emails from Kerio mailbox.
• First, try importing a few emails using the manual way to keep a check that the process is running good without any error.
• Don’t rush and wait for Outlook to sync both the accounts completely.
• Check the internet connection speed beforehand. It should not lag in between the migration.

How to Migrate Kerio Connect to Gmail Manually?

This manual method uses Outlook Classic as a mediator to connect Kerio and Gmail accounts using IMAP. So, make sure to install and set-up Outlook beforehand. Now, follow the step-by-step instructions explained below.

Phase1- Configure Kerio & Gmail in Outlook

1. Open Outlook Classic on your system.
2. Go to File > Info > Add Account.
   
   
3. Enter your username and Gmail email address.
4. After that, select IMAP and verify with OAuth Authentication.
5. Once your Gmail account is successfully configured in Outlook, repeat the same steps to add Kerio Connect account.
6. Wait for Outlook to sync emails for both accounts.

Phase2- Export Kerio Emails

1. Go to File > Open & Export > Import/Export.
   
   
2. Choose Export to a file > Outlook data file (.pst).
   
   
3. Select folders or simply click on the email address to migrate the entire mailbox.
   
4. Browse a destination path to store resultant PST files.
   
5. At last, press Finish.

Phase3- Import PST to Gmail

1. Now, navigate to File > Open & Export > Import/Export.
   
   
2. Choose Import from another program or file > Outlook data file (.pst).
   
   
3. Click on browse and select the folder where you have stored the PST files above.
   
4. After that, under the Import items into the same folder in: option, select your Gmail email ID.
   
5. Finally, click Finish to import Kerio emails to Gmail account.

Note: Some articles show a drag-and-drop method but it is not suitable to import entire Kerio mailbox at once. This can result in data loss issues and missing original folder structure.

Limitations of the Manual Approach

• It is a time-consuming process as users need to wait till the completion of the sync process.
• This method is not recommended to non-professional users as it has multiple complex steps.
• The entire process is dependent on Outlook.
• Any network related issue can interrupt the process in between and lead to data loss issues.

How to Import Kerio Connect to Gmail in Minutes?

1. Download and launch the Kerio to Gmail Converter on your system.
   
2. Select files or entire folders that you wish to migrate.
   
3. Select I am converting multiple users option if you want to import multiple Kerio user mailboxes.
   
4. After that, preview the loaded folder to verify them before continuing migration process.
   
5. Choose Gmail from the saving options list.
   
6. Enter Gmail email address and click Convert to start the Kerio to Gmail migration.
   

Core Features of the Verified Kerio to Gmail Migrator

• 100% safe solution with OAuth authentication support.
• It has the ability to transfer multiple Kerio mailboxes to Gmail at once.
• Users can migrate emails, contacts, calendars, tasks and attachments without any limitations.
• Support a wide range of filter options that allow users to precisely migrate files while saving time and effort.
• This converter is perfect for professional and non-technical users as it does not require technical expertise to import Kerio to Gmail.
• Maintains original folder structure and data integrity throughout the process.
• Offer users a unique feature to export multiple user mailboxes without facing difficulty and any data alteration.
• Works smoothly on all versions of Windows OS including the latest and old ones.
• The tool works independently and does not depend on Outlook.
• Ensures accurate and safe migration with perfect results.

Conclusion

I hope by the end of this article you have got answers to all your queries. Migrating from Kerio to Gmail is not an easy process, it requires correct awareness about the manual and pro solution to use. Here, we have mentioned tips and tricks to avoid any mishappening, a manual method using Outlook and a pro solution to seamlessly migrate Kerio Connect to Gmail.

The manual approach works but it involves multiple steps that require technical knowledge. That is why having a fast and safe process relying on a professional solution is a smart decision. It not only simplifies the process but also ensures complete data transfer with security even if you have large data files.