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
40 817 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.
4 114 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.128 869 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft81 935 users -
Check your emails for spelling and grammar issues79 491 users -
Switch the signature on/off or choose a new one from your predefined set.59 344 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.)56 717 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).54 643 users
Top Rated See all »
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Quickly choose one of the previously selected colors for a message text1 944 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。483 users -
Macro Template is to replace mail templates with macros for date formatting.643 users
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Default "Reply" functionality pays attention to "Reply-To" in original email57 users
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Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).44 234 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft81 935 users
Recently Added See all »
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A simple and reliable browser alarm extension. Create alarm and never miss important tasks, meetings, or events0 users -
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.5 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 supported32 users -
Unofficial Microsoft Mail add-on for Thunderbird, it adds a button in Spaces that opens a Microsoft Mail tab in Thunderbird.6 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).3 users
See all 324 extensions in Message Composition »
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