Review for Filter Button by Laz
Rated 5 out of 5 stars
This was hands down my favorite Thunderbird extension and it is a shame that it is no longer compatible. A shame on Thunderbird for changing their API-s!
This review is for a previous version of the add-on (1.2). This user has 2 previous reviews of this add-on.To create your own collections, you must have a Mozilla Add-ons account.