eSoftTools

Fastmail Backup & Migration Software

Advanced tool with the ability to export FastMail emails to various email platforms quickly and securely. Migrate emails to Office365, Gmail, Yahoo Mail, Thunderbird, Outlook and many other programs. Email export while preserving all email details including attachments and metadata. Plus get options to select folders, filter by date, customize file names and more.

Key Features of Fastmail Email Backup & Migration Tool


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Free Demo Edition : Test for free and backup/migrate 25 emails per folder of Fatsmail account.


Software Working Screenshots


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What You Get with Fastmail Backup and Migration Software


Secure & Trusted Fastmail Email Migration Tool

A complete utility designed to easily accomplish two essential tasks for Fastmail users - Email backup and migration.

  • Download Fastmail Email to Local Drive: - Backup emails from selected Fastmail folders and save them locally in various widely used file formats. Export email Fastmail mailboxes as PST, EML, EMLX, MSG, HTML, MHTML, MBOX and PDF. Also includes an option to directly import Fastmail emails into an existing Thunderbird profile.
  • Move Fastmail Email to Cloud Services: - FastMail migrates emails directly to cloud or web-based platforms such as Gmail, Yahoo Mail and Office 365. Also, supports email migration to any email service based on IMAP, including custom domains or hosting providers. Straightforward, fast and accurate migration without the need for external tools.

Learn More >> How to Backup & Migrate Fastmail Emails?

Export Fastmail Email to MS Outlook

Export Fastmail emails to Outlook-compatible PST format with ease and great speed. Save selected folders or entire mailboxes to a single PST file ready for use in Outlook. Compatible with all Outlook versions including 2021, 2019, 2016 and earlier versions.

Save Each Email Individually

Create a separate file for every email, making sorting and identification easier and more efficient. Choose from multiple export types: EML, EMLX, MSG, HTML, MHTML, and PDF. Preserves all relevant email data such as headers, formatting, attachments, images, etc.

Archive Fastmail Folders as MBOX

Load Fastmail in Thunderbird Client

Import Fastmail emails directly into active Thunderbird profile on your system. Auto-detects Thunderbird's storage path and injects emails into selected folders. Simplifies Fastmail mailbox migration to Thunderbird with just one click.

Select Folders for Mail Export

Preview all FastMail mailbox folders and select only the ones you want to back up or migrate emails from. Avoid exporting unnecessary data and reduce backup file size and increase export speed. Time-saving and targeted email migration.

Preserve Original Email Structure

Keep all original elements of your emails intact during export or migration. Email layout, headers, timestamps, sender/recipient information, attachments and formatting are accurately retained. Ensures complete email export with zero data loss.

Filter Emails by Date Range

Use smart date filters to migrate or backup only emails from a specific period. Choose custom start and end dates to target relevant messages. Perfect for archiving only important emails or reducing export load.

Custom Naming for Individual Files

Choose how to name exported email files for easy organization and search. Options include combinations of sender, date, subject, for file names. Works with EML, EMLX, MSG, HTML, MHTML, and PDF formats.

Transfer Emails to Specific Folder

Set a target folder when migrating emails to another webmail or cloud account. Insert new folder in Cloud mail service with custom name. Avoid mixing with existing inbox content and maintain structured organization.

Choose Backup Save Destination

Manually define where your exported files will be stored. Choose any path in your - internal drive, external storage or network path. Gives full control over backup management and organization.

Simple Interface for Easy Use

Modern GUI for smooth operation by both beginners and professionals. All the main functions like folder selection, file format options, and filtering are just a click away. There is no need for technical expertise or command-line operations.

Supports All Windows Versions

Fully compatible with all modern and older Windows operating systems. Runs on Windows 11, 10, 8.1, 8, 7, Vista, XP and older versions (both 32-bit and 64-bit). No additional software or high system requirements required.

Migrate & Backup Fastmail Email Free

Download free demo to test the software and experience its full capabilities risk-free. You can backup up to 25 emails per folder or migrate them at no cost. The perfect way to evaluate performance, accuracy and interface before purchasing the full version.


Frequently Asked Questions (FAQ)


How to Backup Emails from Fastmail to Computer using Fastmail Email Backup Tool?

  • Download eSoftTools Fastmail Email Backup & Migration Software and install in your Windows PC.
  • Open the tool and enter your Fastmail account credentials—Email Address, App Password, Port Number, and IMAP Server (usually: imap.fastmail.com).
  • Click the Login button to connect your Fastmail mailbox and automatically fetch all available folders.
  • Select folders from your Fastmail mailbox that you wish to download and backup to your computer.
  • Choose your preferred backup format- PST, EML, MSG, MBOX, PDF, HTML, MHTML, EMLX, and Thunderbird.
  • Apply settings such as: Date Range Filter, Naming Convention, and Saving Location selection.
  • Finally, hit on Start Backup button to begin exporting and saving your Fastmail emails locally.

See the full step-by-step guide here: How to Backup Fastmail Emails to Computer?

How to Migrate Fastmail Email to Cloud Mail Services - Gmail / Yahoo Mail / Office365 & Others?

  • Download eSoftTools Fastmail Email Migration Software on your computer running on Windows.
  • Enter your Fastmail account credentials: Email Address, App Password, Port, and IMAP Server (imap.fastmail.com).
  • Click the Login button to load all mail folders from your Fastmail mailbox.
  • Once all folders are loaded, select the specific folders containing the emails you want to migrate.
  • Click on the Import to Cloud button and choose your destination email platform: Gmail, Yahoo Mail, Office365, or IMAP.
  • Provide login details for the destination email service—Email Address, Password, Port, and Hostname.
  • Configure settings such as date-based email filtering, and destination folder creation.
  • Finally, click on Import or Convert button to begin transferring Fastmail emails to your selected cloud mail service.

See the full tutorial with detailed screenshots: - How to Migrate Emails from Fastmail to Cloud Mail Services?

What email file formats does Fastmail Backup software support for storing downloaded emails?

This software provides 9+ file format options to save email backup - PST, EML, EMLX, MSG, MBOX, HTML, MHTML, and PDF.

Can I migrate Fastmail emails directly to Gmail, Office 365 or Yahoo Mail accounts?

Yes, the tool allows direct migration from Fastmail to popular cloud services like Gmail, Office 365, Yahoo Mail, and any IMAP-supported email service.

Is it possible to back up emails only from selected Fastmail folders?

Absolutely! You can preview and select specific folders from the Fastmail account to back up or migrate emails and avoid unnecessary data transfer.

Does the software preserve original email metadata and attachments during email export?

Yes, it maintains all emails with their original attributes and structure. Save emails with full information during backup and migration - To, From, Subject, Timestamp, Attachments and more.

Can I filter emails by date to migrate or backup emails only of a specific time frame?

This software offers date-range filtering, so you can export or migrate emails of a specified period.

Is this tool compatible with the newer version of Windows Operating System?

Yes, it supports Windows 11, 10, 8.1, 8, 7, Vista, XP, and older versions on both 32-bit and 64-bit architecture.

Does the trial version allow me to migrate and backup Fastmail emails?

The free demo version lets you export or migrate up to 25 emails per folder of a Fastmail account. This helps you test the capabilities and functions of the software and all the features before purchasing it.


CLIENT REVIEW'S


(Rated 5 Star)
I found it very difficult to transfer emails from Fastmail to Office 365, but this software made the whole process very easy. Its interface is user-friendly, and I was able to select emails from specific dates to transfer. If you want to easily backup or migrate your Fastmail emails, I highly recommend it.
[ John Anderson ]  [ USA ]
(Rated 5 Star)
This tool helped me with so many things! I exported my emails to PDF for easy access locally. Migrated many emails from Fast Mail to Gmail, Yahoo Mail and several other accounts, as well as downloaded emails to MBOX files for use in different email programs. This software did all of these things perfectly. Great tool for Windows!
[ Michael O'Connor ]  [ Ireland ]
(Rated 5 Star)
I first used the demo version and was very impressed with its functionality. Then I upgraded to the full version which gave me even more benefits. I can migrate my unlimited number of Fastmail emails to different email programs without any problems. If you need a reliable Fastmail backup and migration solution, this is a great investment.
[ Sarah Mitchell ]  [ Canada ]