Mark All Read Button

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wot Wužiwar Firefox 6c38bb dnja Měrc 5, 2021 · trajny wotkaz

There is a way to "mark all read":
Choose "mark" on the Thunderbird and then choose "mark all read" from the dropdown menu that appears.
The downside (aside from needing several mouse actions) is that a message must be selected for the "mark" button to be active. The keyboard shortcut "shift-c" does not have this restriction.