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.
3,858 users -
*cloud - FileLink for Nextcloud OpenCloud ownCloud
Upload large attachments to your Cloud and send the link by email
36,706 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.118,546 users -
Check your emails for spelling and grammar issues77,194 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft72,629 users -
Switch the signature on/off or choose a new one from your predefined set.53,746 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).51,599 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.)51,174 users
Top Rated See all »
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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。459 users -
Macro Template is to replace mail templates with macros for date formatting.622 users
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Default "Reply" functionality pays attention to "Reply-To" in original email49 users
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Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).42,259 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft72,629 users
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Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.86 users
Recently Added See all »
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Extension pro assistente generation responsis ad email usante AI in Thunderbird.0 users
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Vim keybindings for editing email in the Thunderbird compose window.0 users -
Analyzes To and Cc recipients in the Thunderbird compose window.0 users
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Drafts your replies in the Thunderbird compose window, using the conversation, your notes and your own goals. Sorts what arrived by what needs answering. Nothing is sent unless you send it — or until you switch on automatic replies yourself.2 users -
From the compose window, send your email to many recipients one at a time, with a delay between each — or schedule it for later.1 user
See all 338 extensions in Message Composition »
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