Add-ons
Message Composition
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SmartTemplates
SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.
7,879 users -
*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
12,666 users
Most Popular See all »
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Create and Save or Send Multiple Individual and Personalized Messages from a Draft64,461 users -
True "Send Later" functionality to schedule the time for sending an email.58,534 users -
Switch the signature on/off or choose a new one from your predefined set.37,344 users -
Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird36,056 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.24,505 users
Top Rated See all »
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Highlights selected text when composing emails. Default colour is yellow - other colours are available via Options.
(Works only during writing an e-mail, i.e. only in the compose window.)3,306 users -
Upload large attachments to your Cloud and send the link by email12,666 users -
Thunderbird HTML editor. This add-on adds a HTML tab to the composition window where you can see and edit the HTML source of the message.16,313 users -
Check that number of non-BCC recipients does not exceed a parameter.443 users -
Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。1,182 users -
Macro Template is to replace mail templates with macros for date formatting.115 users
Recently Added See all »
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When reply to all is used, move original To: recipients to Cc:
Also forces "Cc:" to be displayed on all new messages.
GitHub Repo: https://github.com/cyb3rmonk/reply-all-auto-cc40 users -
Insert standard text blocks in an easy way in composer. No mouse: done by keyboard.
Type br<ctrl-d>, it converts to best regards. #c is cursor position.
Make a list of shortcut-replacements in the addon settings. Replacements may be multiline.44 users -
A revival of the popular Markdown-Here addon for Thunderbird 78 and beyond.
Markdown Here Revival is a Thunderbird extension that lets you write emails in Markdown and render them as HTML before sending.425 users -
Clean up the display of links rewritten by Microsoft ATP Safe Links when reading and composing mail, so the original links can easily be viewed and copied, while retaining the rewritten addresses as the actual target of all links.41 users -
Read an e-mail, hit Autofile button and it is filed / moved to the right mail folder based on the sender's address. No drag/drop needed.
Autofile can discover folders to store each author mail. Will save you lots of time like defunct filemail.61 users -
Use @ to mention somebody on an email to link and add to the CC.117 users
See all 140 extensions in Message Composition »
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