Email tools

by Mpohalos

18 Add-ons in this Collection

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 964 reviews

297,199 users

Allows bidirectional access to Google Calendar

Google Contacts by H.Ogi

Rated 4 out of 5 stars 239 reviews

102,661 users

Access to Google contacts and synchronize them with Thunderbird address books.

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 270 reviews

38,087 users

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Remove Duplicate Messages by Thorsten W. Schmidt

Rated 4 out of 5 stars 113 reviews

46,675 users

If you have duplicate messages (e.g. from merging folders or downloading messages several times) you can use this tool to find and remove them from the selected folder and its subfolder by rightclicking on a folder and choosing "Remove duplicates..."

Silvermel by ShareBird

Rated 5 out of 5 stars 570 reviews

67,770 users

A Creamy Silvery Experience

Zindus by Leni Mayo

Rated 4 out of 5 stars 206 reviews

41,740 users

Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 89 reviews

23,867 users

Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.

MinimizeToTray Plus by Michael B.

Note from Mozilla: This add-on has been discontinued. Try MinimizeToTray Revived instead.

Minimize applications to the system tray.

EMail Address Crawler by CySlider

Rated 4 out of 5 stars 89 reviews

4,084 users

Automatically fill your address books or send mass mails with e-mail addresses extracted from all your e-mails.

MinimizeToTray by Mook, Brad Peterson

Rated 4 out of 5 stars 466 reviews

16,217 users

Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...

Auto Address Cleaner by markopee

Rated 5 out of 5 stars 44 reviews

16,103 users

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

English - Greek Spelling dictionary by Kostas Papadimas (pkst)

Download Now

Experimental

Rated 4 out of 5 stars 59 reviews

7,738 users

English-Greek spell-checking dictionary for Firefox, Mozilla thunderbird and Seamonkey mail for easier spell checking in bilingual text.If you need better spelling results try the respective stand-alone...

BiDi Mail UI by The BiDi UI Team, eyalroz

Rated 4 out of 5 stars 26 reviews

3,624 users

Direction control and BiDi-related charset misdetection correction

Mark All Read Button by Mark S Baines

Rated 4 out of 5 stars 28 reviews

4,541 users

Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.
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