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由 Firefox 用户 bde92a 发表于 July 17, 2019 · 永久链接

Works perfectly. I love Thunderbird and all of the options available. Far better then that proprietary other mail app. This addressbook tab add-on solved my last customization. Simply installed, then right clicked on the tool bar, then dragged the AddressTab icon to the location I wanted. Really simple and works perfectly.