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 504 reviews

332,834 users

Allows bidirectional access to Google Calendar

Google Contacts by H.Ogi

Rated 4 out of 5 stars 215 reviews

111,861 users

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

Silvermel by ShareBird

Rated 5 out of 5 stars 509 reviews

96,446 users

A Creamy Silvery Experience

Zindus by Leni Mayo

Rated 4 out of 5 stars 196 reviews

55,018 users

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

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 218 reviews

44,056 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 102 reviews

43,668 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..."

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 80 reviews

23,361 users

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

Auto Address Cleaner by markopee

Rated 5 out of 5 stars 40 reviews

15,101 users

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

MinimizeToTray Plus by Michael B.

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

Minimize applications to the system tray.

MinimizeToTray by Mook, Brad Peterson

Rated 4 out of 5 stars 461 reviews

24,066 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...

EMail Address Crawler by CySlider

Rated 4 out of 5 stars 81 reviews

5,140 users

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

English - Greek Spelling dictionary by Kostas Papadimas (pkst)

Download Now

Experimental

Rated 4 out of 5 stars 54 reviews

10,855 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...

Update Notifier by Todd Long

Rated 5 out of 5 stars 161 reviews

27,227 users

Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.

Notifies you when updates are available for your extensions and themes.

BiDi Mail UI by The BiDi UI Team, eyalroz

Rated 4 out of 5 stars 24 reviews

3,402 users

Direction control and BiDi-related charset misdetection correction
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