How to Import MBOX to FastMail Account?

Jackson Strong | July 10th, 2024 | Email Migration

Learn the automated approach to import MBOX to FastMail account. If you have MBOX file and want to open its emails in FastMail, then this post is for you. 

If you have an MBOX file and want to open its emails in FastMail, then this post is for you. Here we will discuss the the complete process of importing emails from MBOX file into your FastMail mailbox. Before that let know a little bit about FastMail.

FastMail is a popular email service known for its security and user-friendly interface. It is based in Australia, which has strict privacy laws, and FastMail follows these laws to keep your data safe. It gives users a secure, private, and efficient email experience. Unlike many other services, FastMail doesn’t scan your emails to show you ads.

How to Open MBOX Emails in FastMail?

For secure and efficient import, try out the Advik MBOX Converter on your system. The software will import MBOX file to FastMail mailbox without data loss. It will maintain folder structure while importing MBOX emails. There will be various filters that help to import selective emails without affecting data integrity.

Try out the demo version of the software on your Windows. The trail one will only import 25 emails from each folder.


Steps to Import MBOX to FastMail

1. Run the software on your system.

Run the software on your system

2. Add the MBOX files or folder.

Add MBOX file

3. Select the email folders you want to import.

Import MBOX to FastMail

4. Choose IMAP from the saving options.

Import MBOX to FastMail

5. Enter your FastMail login id and app password. At last hit the Next button.

Import PST file to FastMail

Finish! Now the tool will start moving emails from MBOX file to FastMail mailbox.

Benefits of Using Automated Tool

There are various prominent features offered by this tool,

  • Maintain email folder and sub-folder hierarchy.
  • Allow to import multiple MBOX files to FastMail at once.
  • Advance filter options for selective importing.
  • Allow to import MBOX to iCloud and all other email accounts.
  • Preserve data integrity while moving MBOX file into Fastmail account.
  • Compatible with Windows 11, 10, 7 and all other older versions.
  • A free demo version is available that can import 25 emails from each folder.


This article discusses the easy and secure process to import MBOX to FastMail. With AdvikSoft you can easily complete the importing without any data loss. Try the trial version of the tool and know it’s working. The best thing about the tool is it is completely error-free and preserves data integrity.