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Attachment Saver

Saves all attachments from multiple selected emails as a single zip file.

It provides an extra option in your context menu when selecting emails.

Rated 5 out of 5 stars (10)
955 users

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Just Report It

Just Report It (https://justreport.it) is an email plugin which tackles spam the right way. Report emails straight to SpamCop, the Registrar, a custom email address or any combination in between!

Rated 5 out of 5 stars (16)
828 users

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Aify

Rewrite or generate text based on promps using OpenAI's API.

Configure on settings page (make sure to save) and start to use when writing your emails!

You must have a payment method on record with OpenAI and an API key. OpenAI charge for use.

Rated 5 out of 5 stars (10)
374 users

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ENEX Tools

Add import/export functionality of Evernote export file (enex).
* Load enex file and open message composition window with the note content
* Export messages to enex file which can be loaded by Evernote desktop client

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80 users

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BCM Bengali (Bangladesh) Spellchecker

Spellchecker for Bengali (Bangladesh) following Bangla Academy and Prothom Alo standards: See https://banglatypefoundry.com/spellchecker/

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8 users

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Safelink removal

Replace URLs which have been rewritten by Office 365 Advanced Threat Protection with the original URL.

Rated 5 out of 5 stars (2)
183 users

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Send Unsent Mail Button

Toolbar button to send unsent messages.

Rated 5 out of 5 stars (2)
325 users

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Open in browser

A context menu item to open the links associated with feed items in the default browser and then mark them as read.

Rated 5 out of 5 stars (1)
333 users

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Archive old messages

A context menu item to archive all messages than older than a given duration.

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466 users

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Console messaging example

Console messaging example add-on

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2 users

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Config Button

Adds a Config button, opens about:config in a tab.

Rated 5 out of 5 stars (3)
1,435 users

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Filter Manager

Adds a Filters Button, opens Filter Manager

Rated 5 out of 5 stars (7)
2,070 users

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FileLink for Plik

Plik no longer offers uploads without an account. So the add-in currently only works for self-hosted instances of the software. Currently I cannot promise a date for a fix. Sorry.

Rated 5 out of 5 stars (4)
3,541 users

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Aranese spell checker

Aranese (Occitan) spell checker - Diccionari ortogràfic d'Aranés

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15 users

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ThunderThings

Integration between Thunderbird and Cultured Code's Things application.

Rated 4 out of 5 stars (3)
15 users

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sms77

Send SMS via sms77

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84 users

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ReplyAsOriginalRecipientUp

When you reply to a mail sent to your personalized address (postfix/qmail/gmail extensions) such as john.doe+contactname@example.com, "From:" is replaced by your personalized address rather than your simple address.

Rated 4 out of 5 stars (11)
943 users

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Antidote connector

Use Antidote directly where you are writing! Run a text through the corrector and the changes you make will automatically be applied to the original text in Thunderbird. (You must have access to Antidote.)

Not yet rated
711 users

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Mark Subfolders Read

Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.

Rated 4 out of 5 stars (2)
90 users

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Zulip - Quick Access

Quick Access to Zulip in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

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4 users

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