Add-ons
Message Composition
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Grammar Checker
Checks grammar using LanguageTool.
13,423 users -
Send Later Button
A simple button to invoke the (already existing) send later functions.
15,546 users -
ThunderHTMLedit
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.
12,058 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.83,232 users -
Switch the signature on/off or choose a new one from your predefined set.63,922 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft62,882 users -
Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird33,226 users -
Check the message contents and addresses before you send the message...20,195 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.12,058 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。1,769 users -
True "Send Later" functionality to schedule the time for sending an email.83,232 users
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Upload large attachments to your Cloud and send the link by email3,995 users -
Default "Reply" functionality pays attention to "Reply-To" in original email449 users
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Create and Save or Send Multiple Individual and Personalized Messages from a Draft62,882 users
Recently Added See all »
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Adds an 'expand lists' button to the compose window. It replaces all mailing lists with their contacts.3 users -
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Check that number of non-BCC recipients does not exceed a parameter.1 user -
Upload large attachments to your Cloud and send the link by email3,995 users
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Uploads your large attachments to your OwnCloud or NextCloud server and instead inserts a public link into your email.809 users
See all 123 extensions in Message Composition »
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