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.
3,930 users -
*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
35,628 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.108,928 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft71,564 users -
Check your emails for spelling and grammar issues68,445 users -
Switch the signature on/off or choose a new one from your predefined set.55,317 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.52,557 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).46,729 users
Top Rated See all »
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Quickly choose one of the previously selected colors for a message text1,775 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。575 users -
Macro Template is to replace mail templates with macros for date formatting.523 users
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Default "Reply" functionality pays attention to "Reply-To" in original email92 users
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It permits just with a single click to copy an emoji.
There is a search-box and the "Most used emojis" section (the first one).
If you want to send feedback or report bug, please go to https://github.com/Sav22999/emoji5,905 users -
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).45,948 users
Recently Added See all »
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ThunderAI Sparks is an experimental add-on for Thunderbird, designed to add advanced features to ThunderAI.2 users -
Adds a button to the message composition window which updates recipient addresses to route the outbound message through addy.io or a self-hosted AnonAddy server, so your real, private email address isn't exposed to recipients.2 users -
This plugin lets you store different profiles with CC, To, Subject and Signature values. Perfect if you need to send emails with similar details often.3 users
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Adds a button in the toolbar for Skype Web. Icon source: https://www.flaticon.com/free-icon/skype_1616732617 users
See all 213 extensions in Message Composition »
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