Mozilla Thunderbird specifications

What's new in version 5.0

Version 5.0 improves responsiveness and reduced startup time. It's based on the new Gecko 5 engine and also includes a new add-ons manager. Email setup is also improved with a revised account creation wizard, and plugins can now be loaded in RSS feeds by default. This version also includes over 390 fixes to improve speed, performance, security, and stability.


  • Publisher Mozilla
  • Publisher web site
  • Release date June 28, 2011
  • Date added June 28, 2011
  • Version 5.0


System requirements

  • Operating systems Windows 7, Windows 2000, Windows Vista, Windows XP
  • Additional requirements Not available

Download information

  • File size 13.43MB
  • File name Thunderbird Setup 5.0.exe


  • Total Downloads 1,623,958
  • Downloads last week 1,675


  • License model Free
  • Limitations Not available
  • Price Not available