Add-ons
Message Composition
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*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
10,500 users -
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.
8,522 users
Most Popular See all »
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Create and Save or Send Multiple Individual and Personalized Messages from a Draft67,651 users -
True "Send Later" functionality to schedule the time for sending an email.51,832 users -
Switch the signature on/off or choose a new one from your predefined set.37,624 users -
Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird36,290 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.21,805 users
Top Rated See all »
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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.15,434 users -
Upload large attachments to your Cloud and send the link by email10,500 users -
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.)611 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。1,760 users -
Default "Reply" functionality pays attention to "Reply-To" in original email120 users
Recently Added See all »
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Read an e-mail, hit the Autofile button and it is filed / moved to the right mail folder based on the sender's address. No drag/drop needed.
You may tell Autofile or let it discover folders to store each author mail. Will save you lots of time.2 users -
Use @ to mention somebody on an email to link and add to the CC.31 users -
Replace placeholders with date and time as you type.
入力画面の件名、本文内の各プレースホルダを日時や曜日等の文字列に置換します。6 users -
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.)611 users -
Allows you to resend (also known as redirect) email messages.
Uses 'cardbook' if installed
Bases on the add-on 'Mail Redirect' by Onno Ekker and Pawel Krzesniak
Please see the help page on how to use and why it sometimes does not work!1,944 users -
Toggle wrapping of long lines in the message composition window when writing plaintext messages. Wrapping can be controlled via a toolbar button and a keyboard shortcut.239 users
See all 136 extensions in Message Composition »
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