Standard Collection for ThunderBird

by James G

9 Add-ons in this Collection

Mail Merge by Alexander Bergmann

Rated 5 out of 5 stars 148 reviews

55,990 users

Mass Mail and Personal Mail

Send Later by Jonathan Kamens

Rated 5 out of 5 stars 102 reviews

60,821 users

True "Send Later" functionality to schedule the time for sending an email.

Thunderbird Conversations by Jonathan Protzenko, Standard8

Rated 4 out of 5 stars 416 reviews

29,634 users

This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.

British English Dictionary by Mark Tyndall

Rated 3 out of 5 stars 403 reviews

132,403 users

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".

QuickFolders (Tabbed Folders) by Realraven (Axel Grude), Alexander Malfait

Rated 5 out of 5 stars 117 reviews

20,436 users

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

LocalFolder by philoux

Rated 4 out of 5 stars 11 reviews

8,853 users

Add as many local folders as you want to (like outlook PST).
NB. It doesn't import PST files.

Folderpane Tools by chuonthis, Philip Chee

Rated 4 out of 5 stars 122 reviews

23,339 users

Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.

Auto Address Cleaner by markopee

Rated 5 out of 5 stars 48 reviews

13,563 users

Removes comment, display name automatically from addresses before sending mail.

Reply Monitor by Lin

Rated 4 out of 5 stars 17 reviews

924 users

**This is NOT COMPATIBLE with Thunderbird 31 or newer versions**
Keep track of your emails and replies (Lightning is required).
Note: the name of this add-on has been changed to Reply Monitor because the previous name is a registered trademark.

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