If you like Firefox's tabbed browsing, you're going to love tabbed email. The attachment reminder looks for the word attachment and the Activity Manager records all the interactions between the tool and your email provider in one place. One-click Address Book is a quick and easy way to add people to your address book. Prior to this feature, you had to know your IMAP, SMTP, and SSL/TLS settings.

Under the Help Menu, you can find the Migration Assistant to help you set up the software the way you want it. Thunderbird Portable is a free email application for PC that's easy to set up and customize! Thunderbird has junk mail tools that have been updated to stay ahead of spam and features Phishing protection. The program includes tabbed e-mail, new search tools, and indexing, smart folders, support for Firefox's Personas, a simplified setup wizard, and robust junk protections that include phishing and spam filters. The app was designed to prevent viruses and to stop junk mail.

Mozilla Thunderbird Portable makes e-mailing safer, faster, and easier with such features as intelligent spam filters, a built-in RSS reader, and quick search.

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