Thunderbird 81 User Agents

Thunderbird 81 User Agents in our database. This is a listing of only some of the most popular ones.

• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:81.0) Gecko/20100101 Thunderbird/81.0

  Thunderbird 81 on Windows 7

• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Thunderbird/81.0a1

  Thunderbird 81 on Windows 10

• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Thunderbird/81.0

  Thunderbird 81 on Windows 10