Backup Kerio Email into External Drive: How Do IT Admins Do It in 2026?
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Written By
Aaradhya Jain -
Approved By
Shivam Rathore -
Updated on
June 11th, 2026 - Read Time
6 minutes
User Query: How do I backup Kerio email to an external hard drive without losing emails, attachments, folder structure, and metadata?
Introduction: Kerio Connect is a popular email and collaboration platform used by businesses, educational institutions, and organizations worldwide. While Kerio provides reliable email management, many users still face challenges when they need to create a local backup of their mailbox. Accidental email deletion, server crashes, ransomware attacks, mailbox corruption, storage limitations, and compliance requirements are some of the common reasons. This blog discusses the manual method and a professional DRS IMAP Email Backup Tool to backup Kerio email into External Drive for a hassle-free process.
Quick Solution: Backup Kerio Connect Emails to PC
- Download and install the DRS IMAP Email Backup Tool.
- Enter your IMAP Email Address and Password to Sign In.
- Then, you can preview and select the Kerio emails to backup.
- Choose the Saving Format as per your requirements.
- Lastly, apply advanced features/filters and click Start Backup.
Reasons for Archiving Kerio Emails to External Device
- Keeps a safe copy of emails if users accidentally delete messages or folders.
- Provides backup access to emails during hardware crashes or server issues.
- It helps recover mailbox data in case of ransomware or cyberattacks.
- Supports long-term email retention for legal and regulatory needs.
- Moreover, ensures email data remains available during unexpected disruptions.
Manual Method to Backup Kerio Email into External Drive
Users can manually backup Kerio emails by configuring their Kerio account in an email client that supports IMAP connectivity.
- Firstly, open an email client such as Microsoft Outlook.
- Add your Kerio Connect account using IMAP settings.
- Allow the mailbox to synchronize completely.
- After that, select the required mailbox folders.
- Export mailbox data into a supported file format.
- Save the exported file to the external hard drive.
- Open the exported file.
- Verify emails, attachments, and folders are accessible.
Limitations of the Manual Method
- It requires technical knowledge.
- Time-consuming for large mailboxes.
- No support for multiple mailbox backups.
- Higher risk of incomplete synchronization.
- There are limited filtering options.
- No automated backup scheduling.
- Also, difficult to manage enterprise-level environments.
Professional Tool to Backup Kerio Email into External Drive
For large email backup, the DRS IMAP Email Backup Tool provides a reliable way to backup Kerio Connect mailboxes directly to an external drive. The software connects to Kerio mailboxes through IMAP and allows users to save emails into various file formats while maintaining mailbox integrity throughout the process.
Key Features of DRS Softech IMAP Email Backup Tool:
- Support bulk IMAP email migration with 100% accurate results.
- A preview feature to cross-verify the added Kerio emails.
- Date Filter for selective email migration between start & end dates.
- Remove the Duplicate feature to exclude duplicate emails.
- Option to convert Kerio Mail to PST, PDF, and other formats.
- Highly compatible with all Windows and Mac versions.
- Additionally, a free version of this tool is available to understand its features.
Steps to Download Emails from Kerio Connect to Computer
- Download and install the DRS IMAP Email Backup Software.
- Now, enter your Kerio Email Address and Password to Sign In.
- Then, you can preview and select the Kerio emails to backup. Hit Next.
- Afterwards, choose the Saving Format as per your needs.
- In the end, apply advanced features and filters as per your needs. Click Start Process.
Real-Life Scenario
1. Chicago-Based Accounting Firm Secured 120 Employee Mailboxes
A mid-sized accounting company in Chicago was using Kerio Connect to manage business communications for over 120 employees. During an internal audit, the IT team realized they had no separate backup of important client emails stored outside the Kerio server.
To avoid data loss risks, they used the DRS IMAP Email Backup Tool to backup all Kerio mailboxes directly to an external SSD. The tool preserved folder hierarchy, attachments, internet headers, and metadata while allowing the IT team to archive emails from specific years only.
Conclusion
In this technical blog post, we explored several methods to backup Kerio email into Exteranl Drive. The manual method can work for small mailboxes, they often becomes difficult to manage as mailbox sizes and user counts increase. The DRS IMAP Email Backup Tool offers a more efficient approach by enabling users and IT administrators to backup Kerio mailboxes directly to external drives. Preserving folder hierarchy, attachments, metadata, internet headers, and mailbox structure.
Frequently Asked Questions
Ans. You can backup Kerio Email into an external drive by configuring your Kerio account through IMAP and exporting mailbox data manually. However, for large mailboxes, use the DRS IMAP Email Backup Tool, which allows direct backup to an external hard drive while preserving emails, attachments, folder hierarchy, and metadata.
Ans. The safest way is to create a copy of your mailbox rather than moving data from the server. A professional IMAP backup solution connects to Kerio in read-only mode and downloads mailbox data to your computer without modifying or deleting emails from the live account.
Ans. Yes, DRS IMAP Backup Tool allows you to select specific folders such as the Inbox, Sent Items, Drafts, or custom folders. This helps reduce backup size and saves storage space when only certain emails need to be archived.
Ans. IT administrators typically use an automated IMAP backup tool that supports bulk mailbox processing. This solution allows admins to add multiple Kerio accounts, apply backup settings once, and archive hundreds of mailboxes directly to external storage devices without manual intervention.
Ans. Yes, Advanced DRS IMAP Email Backup preserves complete email properties, including internet headers, Message-ID values, sender information, timestamps, attachments, and folder structure. This is especially important for compliance, audits, and forensic investigations.
Ans. Organizations usually archive Kerio emails by exporting mailbox data to secure storage formats such as PST, PDF, or MBOX and storing them on external drives, archive servers, or cloud repositories. This helps meet legal, regulatory, and industry-specific retention requirements.
Ans. Before migration, IT teams often create a complete backup of Kerio mailboxes to prevent accidental data loss. Many administrators convert Kerio emails into PST format, which allows easy import into Microsoft Outlook and Microsoft 365 while maintaining mailbox integrity.
Ans. Enterprises commonly use batch-mode email backup solutions that connect to multiple Kerio accounts simultaneously. Since the backup process runs independently of user activity, employees can continue sending and receiving emails while mailbox data is being archived in the background.
About The Author:
I, Aaradhya Jain, a technical content writer at DRS Solutions, specializes in delivering clear, practical guides on data management, migration, and recovery tools. With a detail-oriented and user-first approach mindset, I transform complex processes into actionable insights for IT professionals and decision-makers.
