Some common problems and their solutions have been listed for user convenience below. But other common issues on the client side are relatively easy to fix. Note that app-wide errors need developers for a proper solution. The instability has led to various problems in the application usage and error fixes. With all the uncertainty coupled with performance issues, the app’s development has been unstable. Although the share increased from 0.1 percent in the second quarter of 2018, Thunderbird fell behind Apple Mail (7.9 percent) and Outlook (9.2 percent). But Mozilla brought back support for Thunderbird in 2017.Īs per the Litmus Email Analytics data, the email client only captured 0.5 percent of the opened email across various devices for the first quarter of 2019. With uncertain times since 2012, Mozilla dropped the email app and uncoupled it from its Firefox service back in 2015. Multiple resources are still being hosted by Mozilla.Īlthough Thunderbird acquired its subsidiary in 2020, the application has had shaky prospects for many years. Since its inception, Thunderbird has been managed by Mozilla Messaging and the Mozilla Corporation.

Thunderbird is an easy-to-use and local email application available in-browser and on Mac, Windows, and Linux systems.

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