ยินดีต้อนรับสู่ส่วนเสริม Thunderbird
Add extra features and styles to make Thunderbird your own.
ปิดReview for Header Tools Improved by henryg_1
Rated 5 out of 5 stars
I'm not updating TB past v68 until this is available
This review is for a previous version of the add-on (2.3).To create your own collections, you must have a Mozilla Add-ons account.