The most direct way to download your data is through the web interface. Fastmail provides a migration tool that packages your folders into ZIP files containing individual files for every message. Steps to export your mail: Log in to your account and go to the Settings (gear icon). Navigate to Migration and select the Export tab. Click New mail export .
Messages are provided as .eml files, which may require additional software (like Apple Mail or Thunderbird) to view or search easily. 2. Archiving via Desktop Mail Clients (IMAP) fastmail download archive
Click and wait for Fastmail to prepare the archive. Once finished, click Download to save the ZIP file to your computer. Key Limitations: You can only download one folder at a time . Exports are currently limited to 4 GB per request . The most direct way to download your data
This guide covers the three primary ways to secure your Fastmail archive: the built-in export tool, desktop mail clients, and professional-grade backup software. 1. Using the Fastmail Built-in Export Tool Navigate to Migration and select the Export tab