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.
5,586 users -
*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
33,463 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.101,030 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft69,148 users -
Check your emails for spelling and grammar issues56,442 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.54,093 users -
Switch the signature on/off or choose a new one from your predefined set.49,733 users -
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).49,195 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.)22,283 users -
Check that number of non-BCC recipients does not exceed a parameter.797 users -
Quickly choose one of the previously selected colors for a message text1,592 users -
Upload large attachments to your Cloud and send the link by email33,463 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。712 users -
Macro Template is to replace mail templates with macros for date formatting.888 users
Recently Added See all »
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Forward emails directly through a dropdown of predefined recipients.
Configure recipients in settings. Use the message toolbar button "Quick Forward" to open a dropdown with your recipients and forward directly, or hold Shift to edit first.7 users -
Thunderbird addon creating a context menu option that pastes code beautifully in HTML messages32 users -
The Send Later Button extension enhances Thunderbird by enabling 'Send Later' even in online mode. It supports many Languages, ensuring a seamless user experience.
See: https://github.com/That-Developer-Guy/Send-Later-Button-Thunderbird/492 users -
Allows to edit the source of the currently composed message. A simple alternative to ThunderHTMLedit.1,783 users -
Displays the contact photo/image/picture of the sender/recipients while reading/composing message.
Images are taken from local image files or Address Book (see addon's options page).34 users
See all 194 extensions in Message Composition »
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