https://connect.mozilla.org/t5/discussions/question-about-thunderbird-s-double-title-bar/m-p/80125#M30702 <P>After I finished configuring and installing Thunderbird, two title bars appeared in Thunderbird</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HanTianLanHai_0-1733086091703.png" style="width: 400px;"><img src="https://connect.mozilla.org/t5/image/serverpage/image-id/9255i85CBADDEFD5B0A08/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400" role="button" title="HanTianLanHai_0-1733086091703.png" alt="HanTianLanHai_0-1733086091703.png" /></span></P><P>&nbsp;</P> Sun, 01 Dec 2024 20:48:41 GMT HanTian-LanHai 2024-12-01T20:48:41Z https://connect.mozilla.org/t5/discussions/question-about-thunderbird-s-double-title-bar/m-p/80125#M30702 <P>After I finished configuring and installing Thunderbird, two title bars appeared in Thunderbird</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HanTianLanHai_0-1733086091703.png" style="width: 400px;"><img src="https://connect.mozilla.org/t5/image/serverpage/image-id/9255i85CBADDEFD5B0A08/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400" role="button" title="HanTianLanHai_0-1733086091703.png" alt="HanTianLanHai_0-1733086091703.png" /></span></P><P>&nbsp;</P> Sun, 01 Dec 2024 20:48:41 GMT https://connect.mozilla.org/t5/discussions/question-about-thunderbird-s-double-title-bar/m-p/80125#M30702 HanTian-LanHai 2024-12-01T20:48:41Z https://connect.mozilla.org/t5/discussions/question-about-thunderbird-s-double-title-bar/m-p/107108#M41359 <P>One is a window title. The other is a tab.</P> Sun, 05 Oct 2025 14:22:14 GMT https://connect.mozilla.org/t5/discussions/question-about-thunderbird-s-double-title-bar/m-p/107108#M41359 wsm 2025-10-05T14:22:14Z