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
38,032 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.
3,577 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.113,016 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft72,183 users -
Check your emails for spelling and grammar issues65,550 users -
Switch the signature on/off or choose a new one from your predefined set.52,365 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).50,720 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.49,750 users
Top Rated See all »
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Quickly choose one of the previously selected colors for a message text1,830 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。434 users -
Macro Template is to replace mail templates with macros for date formatting.525 users
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Default "Reply" functionality pays attention to "Reply-To" in original email66 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.97 users
Recently Added See all »
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Mit diesem Add-on können Sie E-Mails direkt in das Dokumenten-Zentrum Ihres CRMs oder ERPs übertragen.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!15 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.27 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.20 users -
כפתור המקצר צביעה של טקסט מסומן לכחול (#0033cc) בחלון כתיבה.1 user
See all 253 extensions in Message Composition »
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