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ENEX Tools

Add import/export functionality of Evernote export file (enex).
* Load enex file and open message composition window with the note content
* Export messages to enex file which can be loaded by Evernote desktop client

Not yet rated
73 users

Send Unsent Mail Button

Toolbar button to send unsent messages.

Rated 5 out of 5 stars (2)
215 users

Addon Compatibility Check for TB 102/TB 115

Checks all installed add-ons for compatibility with Thunderbird 102 (or TB 115) and displays status information on a button in the main toolbar. This button will open a detailed overview, including links to alternatives for abandoned add-ons.

Rated 4 out of 5 stars (10)
15,950 users

marked-lightning

Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.

Rated 5 out of 5 stars (3)
63 users

TaskDescriptions

Thank you to like this add-on up to now.
TaskDescriptions end in Thunderbird version 78s.

Now on, I start development of independent window entity programs.

August 01st 2021.

Sungho.

Not yet rated
10 users

Console messaging example

Console messaging example add-on

Not yet rated
6 users

ConfirmBeforeDelete

Ask a confirm before to delete some items

Rated 4 out of 5 stars (19)
1,452 users

Owl for Exchange

Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).

Rated 5 out of 5 stars (195)
43,817 users

Browsing Enhanced ⁵︎  (Hide Caption T Plus)

⦁ Version 5 incoming!!
⦁ NEW! Floating Toolbars & Menus with autohide!
⦁ "Maximize your screen content space by adjusting Tabs, Toolbars, etc!".
⦁ Multiple Configurable Actions for both screen-corner buttons: App/'Home' & Close buttons!

Not yet rated
1 user

Show Outlook Appointments (vcal / ics) Requires Restart

An extension to show embedded Outlook calendar (vcal / ics) parts.

Thunderbird doesn't show calendar parts from Outlook appointment emails. This addon adds a button to download the embedded appointment as ICS to import it into another calendar.

Rated 3 out of 5 stars (4)
26 users

Flat Folder Tree (updated)

Flat Folder Tree enables you to selectively breakout sub-folders under intermediate folders in the folder pane view. This is an updated version of the existing addon, now compatible with Thunderbird 60.

Rated 3 out of 5 stars (5)
90 users

FileLink Provider for Box

Uploads your large attachments to your Box instead of sending them by email.

Rated 3 out of 5 stars (12)
12,763 users

Flat Folder Tree Reborn Requires Restart

Flat Folder Tree Reborn is an update of the Flat Folder Tree add-on, which allows you to selectively promote or breakout sub-folders in the folder tree. Use with IMAP servers where some folders remain collapsed under a special namespace like [Gmail].

Rated 5 out of 5 stars (2)
2 users

ScrollAnywhere

Scroll without touching the scroll-bar!
Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar.

Features also:
- "grab and drag" scrolling
- customizable scrollbars!
- the Momentum auto-scroll

Rated 5 out of 5 stars (1)
322 users

TUD-CERT Phishing Report

Adds a phishing report button to the toolbar to enable members of Technische Universität Dresden to report suspicious e-mails to TUD-CERT with just a few clicks. If desired, an optional comment can be entered upon each report.

Not yet rated
131 users

TabsInStatusbar&IconsInMenubar

Move tabs in status bar and iconify menu bar.

This add-on researches new tabs' position and menubar iconification.
This add-on is as role as if task bar of Windows.

To Hyun-geol who I like.

Life in Holy Spirit.

Rated 5 out of 5 stars (2)
4 users

Bug Opener

Open GitHub, GitLab, Bitbucket, Bugzilla and Jira bug/issue numbers.

Rated 5 out of 5 stars (1)
43 users

Contact Finder

Autocomplete a list of contacts when sending a message by searching their name in the address book.

Not yet rated
348 users

MessagePreview

MessagePreview adds a column to the Thunderbird message list to display the message preview in a tooltip on column row icon mouse hover or a short preview in the column row itself.

Rated 5 out of 5 stars (5)
52 users

PGPGeek

Quick & easy PGP encryption / decryption tool
* Save & use many public encryption keys to encrypt mail content
* Save & use many private decryption keys to decrypt mail content

Using openPGP.js

Open Source
https://github.com/pgpgeek/pgpgeek

Not yet rated
345 users