Can I use booleans (AND, OR) in Thunderbird's quick filter field? - Super User
Thunderbird 3.1 arrives with new filter bar | Ars Technica
quickFilters :: Add-ons for Thunderbird
Quick Filter Toolbar | Thunderbird Help
Mozilla Thunderbird - Need a quick way to view your unread email in Thunderbird? Highlight the email account you want to check. Then, click the "Quick Filter" button and choose "Unread." #ThunderbirdTips
Quick Filter Toolbar | Thunderbird Help
email - Thunderbird: Quick filter bar customization - Super User
How to make Thunderbird's Quick Filter settings permanent - gHacks Tech News
How to Organize Your Inbox with QuickFilters in Thunderbird - Make Tech Easier
Thunderbird
quickFilters - Home
Setting up Thunderbird with SMTP2GO
quickFilters - Home
Thunderbird Quick Filter suddenly stopped working (3 Solutions!!) - YouTube
Thunderbird
quickFilters - Home
The new Thunderbird UI is now available and it's a long overdue refresh | ZDNET
Tux Machines — Thunderbird 115.1 Improves Flatpak Support, Hides Quick Filter Bar by Default
A Step-By-Step Guide to Searching Mail in Mozilla Thunderbird