Migration Wizard

The first time you run Postbox, you will be prompted to migrate settings from supported mail clients including Thunderbird, Mail.app and Outlook (Windows). This is the best and easiest way to migrate your existing mail and accounts into Postbox. This the recommend way to get set up in Postbox if your current desktop mail client is listed in your migration. 

If you are coming from webmail, learn how to add a new account in Postbox. 

Importing

After the first run migration wizard, it is possible to import settings and mail from other clients.  

Additional Resources

• Import Email from Thunderbird
• Import Email from Apple Mail
• Import Email from Entourage
• Importing Email From Windows Live Mail