Add-ons
Wolkom by Thunderbird Add-ons.
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Mark All Read:WE 2.1
troch TurtleTec
Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.
*Note*
Version 2: Requires Thunderbird v128+
Version 1: Works best with Thunderbird v91+
Oer dizze add-on
Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.
*Note*
Version 2: Requires Thunderbird v128+
Version 1: Works best with Thunderbird v91+
*Note*
Version 2: Requires Thunderbird v128+
Version 1: Works best with Thunderbird v91+
