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מאת Birger בתאריך אפריל 15, 2026 ·

As another said, I cannot believe that an add-on is required for this..... And it works when the setting is to open in separate windows also, not only for tabs :-)
Thank you.

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מאת Cuneyt בתאריך יאנ' 19, 2026 ·

This feature/add-on is mandatory for me!

Mark read with double click feature should be default feauture at Thunderbird, but it is not. Thanks to this add-on, it is now evailable. It is mandatary for me to use this feauture. Otherwise i open some emails wrongly and than i miss them. With this feauture i mark the emails as read, only when i double click them. Thank you.

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מאת mwb בתאריך יוני 26, 2025 ·

Thank you! Thank you!

This was the one behavior that drove me crazy about Thunderbird. I almost came to the conclusion that I'd have to move to something else.

I can't believe this isn't the default behavior of Thunderbird.