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
36,895 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.
3,676 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.116,627 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft72,310 users -
Check your emails for spelling and grammar issues72,135 users -
Switch the signature on/off or choose a new one from your predefined set.52,920 users -
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.)50,473 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).49,793 users
Top Rated See all »
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Quickly choose one of the previously selected colors for a message text1,734 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。423 users -
Macro Template is to replace mail templates with macros for date formatting.572 users
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Default "Reply" functionality pays attention to "Reply-To" in original email52 users
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Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).40,366 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft72,310 users
Recently Added See all »
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Detección en tiempo real de spam y phishing en Zimbra. Bloquea enlaces peligrosos con Safe Browsing, PhishTank y URLhaus.2 users -
Rewrite Thunderbird compose drafts with LLM providers while preserving inline media.4 users -
Saves a copy of sent messages in the current folder or any selectable folder instead of the default Sent folder.
This add-on is the successor of 'Copy Sent to Current', which is no longer supported28 users -
Unofficial Microsoft Mail add-on for Thunderbird, it adds a button in Spaces that opens a Microsoft Mail tab in Thunderbird.5 users -
Adds an extra Send button to the compose window that automatically copies the message to a configured list of CC and/or BCC addresses (e.g. a CRM logging address, a team archive mailbox, or a manager).2 users
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Converts recipients using the identity reply-to address on send to the format required by addy.io. If the reply-to field is empty, does nothing. If populated, transforms recipient address(es) (i.e. TOs, CCs, and BCCs) based on the reply-to address.1 user
See all 325 extensions in Message Composition »
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