Review for Folder Filters Button by JoJairus
Rated 5 out of 5 stars
I thought it wasn't working when I was trying to run it while viewing a message in the Unified Inbox. So it's motivated me to try a workflow using this setting: Menu > Folders > All.
This review is for a previous version of the add-on (1.3).To create your own collections, you must have a Mozilla Add-ons account.