Mozilla created Thunderbird, a free email programme. It serves as the primary email client for many small businesses and individual users to send and receive emails. The size of the inbox does however occasionally grow as a result of duplicate emails being copied. Thunderbird is slow because of the enormous mailbox capacity, which causes a lot of issues for the user.
We'll talk about the causes of the duplicate emails in Thunderbird in this post. Additionally, Remove Duplicate Emails from Thunderbird, we'll discover how easy it is to remove duplicate emails from Thunderbird. If you use Thunderbird and are having the similar problem, this post will be beneficial to you.