Add-ons
Message Composition
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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.
8,762 users -
Signature Switch
Switch the signature on/off or choose a new one from your predefined set.
63,287 users -
Send Later
True "Send Later" functionality to schedule the time for sending an email.
80,171 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.80,171 users -
Switch the signature on/off or choose a new one from your predefined set.63,287 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft62,811 users -
Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird28,057 users -
Check the message contents and addresses before you send the message...18,831 users -
Confirm mail address and attachments based on flexible rules.18,576 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.8,762 users -
True "Send Later" functionality to schedule the time for sending an email.80,171 users
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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。1,951 users -
Default "Reply" functionality pays attention to "Reply-To" in original email380 users
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ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.13,986 users
Recently Added See all »
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Upload large attachments to your Cloud and send the link by email98 users -
Uploads your large attachments to your OwnCloud or NextCloud server and instead inserts a public link into your email.117 users -
Toggle word wrapping and <PRE> element wrapping in the message composition and HTML display windows, respectively. Based on original version by Kaspar Brand.349 users
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It's an extension that changes the format of reply mails.281 users -
Uploads your large attachments to your Box instead of sending them by email.2,772 users -
Select sender mail address based on the recipient and reply with the same address11 users
See all 119 extensions in Message Composition »
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