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
41,566 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.
3,952 users
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True "Send Later" functionality to schedule the time for sending an email.122,535 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft79,697 users -
Check your emails for spelling and grammar issues72,886 users -
Switch the signature on/off or choose a new one from your predefined set.57,694 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).54,877 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.53,224 users
Top Rated See all »
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Quickly choose one of the previously selected colors for a message text2,007 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。476 users -
Macro Template is to replace mail templates with macros for date formatting.570 users
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Default "Reply" functionality pays attention to "Reply-To" in original email69 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.102 users
Recently Added See all »
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Simple and fast Thunderbird extension: select any text, right-click, and correct it instantly. Perfect for improving your emails in one step, without opening any external tool. Lightweight, convenient, and highly effective.0 users -
With this add-on, you can transfer emails directly to the documents center of your CRM or ERP.1 user -
Permette di applicare la dimensione in punti anziché in pixel.
In attesa che il team Mozilla modernizzi l'editor dei messaggi per un uso aziendale, spero che questa estensione vi sia utile!19 users -
Templates Reply is a completely free and open-source extension that helps you create, manage, and reuse message templates directly from your compose window.
It’s designed for simplicity and convenience — no sign-ups and no data collection.39 users -
Image Preview is a Thunderbird extension that allows you to preview image attachments and embedded images from email messages in a convenient popup window.24 users
See all 253 extensions in Message Composition »
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