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How to Import MBOX Files into MailEnable Accounts? 2026 Guide

  Mark Regan
Mark Regan
Published: May 1st, 2026 • 4 Min Read

Overview: Importing MBOX to a MailEnable user account can be achieved by using an intermediate MBOX-based email client, like Thunderbird, or an automated & corporate-level MBOX to MailEnable migration tool. Here we have simplified the whole restore process with step-by-step instructions.

Table of Content Hide
  1. Prerequisites
  2. Thunderbird migration method
  3. Professional tool approach
  4. Server-side requirement
  5. Common questions

Many small & medium size businesses migrating to the MailEnable server need to import MBOX backup files. MailEnable is an email server software for Windows. It stores emails in its proprietary format .MAI. There is no official way to upload MBOX to a MailEnable account (without conversion). Hence, you need an intermediary step for conversion.

Disclaimer: You are not importing MBOX directly into the server system. You are importing emails into a specific mailbox (user account).

Before you Migrate MBOX to MailEnable

Make sure that you have a stable internet connection, enough space in your mailbox, and have the required permissions from the admin for the user account.

Method 1: MBOX to MailEnable Migration Using Mozilla Thunderbird

MailEnable accounts support sending and receiving of emails via IMAP/POP and SMTP. That also enables them to connect to free email clients like Thunderbird (which supports MBOX import).

Here are the steps to follow:

  1. Download the Mozilla Thunderbird application onto your Windows.
  2. Enter your full name & your MailServer account ID.
  3. Choose IMAP as the connection type, enter the server details, and password. (If not fetched directly, ask the server admin)
  4. Go to Menu >> Themes & Extensions and add the ImportExport NG add-on.
  5. Go to the local folder, right-click >> ImportExport NG tool and import MBOX files in Thunderbird.
  6. Right-click on the imported folder and Move To or Copy To MailEnable server account.

Ensure that you wait for the IMAP sync to complete before closing.

Note: After the MBOX to MailEnable migration, you can verify it by configuring it in Webmail. [http:///mewebmail]

Limitations of Free Manual Way to Import MBOX into MailEnable

  • Cannot import larger than 4GB due to Thunderbird mailbox size limit.
  • The data structure of MBOX is more prone to loss and corruption.
  • Very slow and dependent on the internet speed.
  • It is not suitable for industry-level imports and cannot be relied on when dealing with multiple complex imports.

Professional Tool for MBOX to MailEnable Direct Migration

BitRecover MBOX Converter for MailEnable accounts is an automated and secure application used by over a thousand businesses to bulk import large MBOX data files into MailEnable server accounts while ensuring lossless migration. The tool supports both admin and user-level migration with multiple added benefits, like:

  • Support MBOX, MBS, and MBX import from any source.
  • Follows international security guidelines – CAPA, HIPAA & GDPR.
  • Offers filters based on date, sender, and receiver address, and subject titles for selective MBOX to MailEnable server imports.
  • Designed to handle enterprise-level applications without any file size restrictions
  • Can handle minor corruptions in the MBOX data automatically.
  • Provides a dedicated saving log & error report for conversion.
  • Zero risk of duplicate creation.

How to Import MBOX Files to MailEnable Server Account? Using Tool

  1. Download the BitRecover MBOX to MailEnable Migration Tool.
    MBOX to MailEnable Migration Tool
  2. Choose the MBOX files or folders from your system.
    select files or folders to be imported into MailEnable server
  3. Preview the MBOX structure and choose folders.
    checkbox to mbox email folders to be importers in MailEnable account
  4. From the saving option, choose IMAP.
  5. Enter the IMAP details of the MailEnable account.
  6. Press Convert to add MBOX for the MailEnable account.

Want to Import MBOX into MailEnable on the Server-Side?

If you are an IT admin or a business who news to ensure complete security of data conversion. Get in touch with the support team to customize the MBOX to MAI or MDIR files converter. For server-side import into MailEnable accounts.

FAQ: Convert MBOX for MailEnable

Q1: When should I use Thunderbird vs the BitRecover tool for MBOX to MailEnable import?
Thunderbird is only suitable for small-scale, non-sensitive data. The BitRecover tool is used in real-world scenarios in dealing with large MBOX files with thousands of emails holding enterprise data. It offers faster conversion with better accuracy.

Q2: How long does the MBOX to MailEnable migration take for large mailboxes?
The tool is designed to significantly reduce downtime; however, larger exports of 50 to 100 GB have been tested to take a couple of hours.

Q3: Can I import MBOX files directly into MailEnable without any conversion?
No. MBOX files are not directly supported by the MailEnable server software. In MailEnable, each email is stored separately.


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