How to Backup Kerio Mail Server Mailboxes ? – The Complete Guide

Rollins Duke   
Published: May 13th, 2024 • 6 Min Read

Kerio Connect is a winning choice for organizations that tilts towards a simpler way to deal with IT. It comes with a business-class email, texting, shared schedules and managing contacts with most Internet browsers, cell phones, email clients. All-in-all, Kerio Connect brings a safe and seamless email message functionality in a low-cost bundle.

Kerio service stores mail messages exclusively on the server, so you are never at risk of reaching maximum file size limits. But, even so, if you have tons of messages, there could be issues.

It is certain that not everyone erases everything out of their inbox, or if they do, they never organize their erased things.

Imagine you are having 50,000 messages in your INBOX, consider what happens at the framework level when another message shows up. With 50K of emails in your mailbox, the server needs to track an empty space for the arrival of new messages effectively.

If you have huge INBOX files having large attachments, the presence of new emails can actually return the outline.

So, what is the workaround? Well, you can backup Kerio mail server emails to local storage on the computer and restore the mailbox if needed in the future. Saving a bunch of Kerio mail messages locally will also rescue you if any accidental data loss issue arises.

Hence, if you have lots of activity on the Kerio mail server then you can simply use a reliable Kerio Converter Tool to save all emails.

Download for Windows

How to Backup Kerio Mail Server Mailboxes ?

Follow these steps to backup emails from Kerio Connect:

  1. Download & Run Kerio Connect mail backup tool.
  2. Choose desired Kerio mailboxes for taking email backup.
  3. Mark required Kerio folders before starting backup.
  4. Select any saving option & a destination path.
  5. Begin to backup mailboxes from Kerio Connect to PC.

Interesting Facts About Kerio Mail Server Backup Tool

If you want to simplify the entire functioning of Kerio Connect backup then, enlist the help of the Kerio mail server backup and repair tool. It gives stunning highlights such as bulk downloading of emails from Kerio mail server, multiple saving options in computer file formats, webmail, desktop email clients.

Moreover, if you don’t wish to go through a heavy load of email messages to save Kerio Connect emails, then there are category-wise data filter options. These selective data filter options enables to filter Kerio Connect emails as per Date Range, Subject, Email Address, etc.

How to Download Emails from Kerio Connect Mail Server to Computer ?

Follow these simple steps to download or archive Kerio Connect mail server emails to computer.

Download, Install or Run Kerio mail server backup tool. Take a quick glance at all important instructions provided on the software screen.

Now, the tool asks users to add Kerio email files or folders. Hit on the Select Files option and pick the Kerio mailbox items.

If you wish to backup multiple Kerio mail user’s data, then enable the ‘I am Converting multiple users’ option.

Then, it will display all email folders such as Inbox, Sent Items, Tasks, Calendar, Contacts, Deleted Items, Junk Email, etc. Select the required email items which you want to save.

Next, there will be a list of saving options in the utility. Choose any file-saving type or email client for migrating Kerio emails to Gmail, Office 365, PST, HTML, etc.

Now, change the default destination location if needed and the language options.

For the selective backup of Kerio Connect mailboxes, there are various Filter Saving options. Choose the one that best fits your needs.


After setting up all the necessary options, click on the Convert button. The Kerio Connect mail server backup process is running on the screen.

Once all the data backup process ends, you will get a conversion completed message. Click on the OK button to exit. At the end of Kerio mailbox backup, the software generates a SavingLog report that includes all the information of the entire processing.

Now, if there any situation where you have lost the data from your account then you can quickly backup Kerio mail server emails and restore corrupted or crashed Kerio mailboxes.

Advantages & Features of Kerio Connect Server Backup Tool

This software is an accurate choice for almost any user who wants to backup single or multiple mailboxes from Kerio Connect server to different platforms. It comes with an easy-to-understand and self-descriptive interface. Some important features provided by this software are:

Backup in 20+ File Formats- This Kerio mail server backup tool offers various saving options to users. If you are willing to backup Kerio mailboxes into computer hard drive formats then the available options are PST, MSG, EML, EMLX, TXT, MBOX, HTML, MHT, XPS, RTF, DOC, ICS, vCard, CSV, PDF, OLM. For saving data to desktop email clients, you can choose Windows Live Mail, Lotus Notes, Zimbra, Maildir, Thunderbird, etc. Otherwise, there are other options to backup Kerio Connect data to webmail like, Office 365, Exchange Server, Gmail, Yahoo, IMAP, etc.

Bulk Backup- With this software, you can backup multiple Kerio’s user mailboxes at once. This process can be done in a single attempt.

Preserves Email Properties- During the process to backup Kerio Connect emails, the software assures to maintain all email attributes. It keeps intact email Metadata properties like email headers, text formatting, images, hyperlinks, etc.

No External Application- It’s a completely standalone tool so there is no requirement to install any external app or plug-in to perform the process.

Compatibility with Windows- Users can download this utility on any Windows OS like Windows 10, 8.1, 8, 7, XP, Vista, etc.

Selective Backup- The various data filter options available in the Kerio mail server backup utility helps to perform selective conversion. With it, you can sort all mailboxes as per date range, subject, email address, etc.


Can I backup Kerio mail server emails by Date intervals?

Yes, the data filter options help to backup data from Kerio mail server as per date range.

Does this software support Windows Server 2016?

Yes, it is compatible with all editions of Windows OS.

Can I perform the backup of Kerio Connect mailboxes in bulk?

Yes, with this tool you can download all Kerio mailboxes in batch.

Over to you

In this blog, we have explained an overall step-by-step method to backup Kerio Connect server emails to computer. Users can take the free trial of the demo version. It allows to backup few Kerio mailbox items to the selected file format. For an unlimited Kerio mail server backup, please upgrade the license keys. Also, if you have any query regarding the software, feel free to Connect to our technical support team via live chat or email.