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*cloud - FileLink for Nextcloud and ownCloud

Upload large attachments to your Cloud and send the link by email

Rated 5 out of 5 stars (2)
1,101 users
Updated Feb. 21, 2020

FileLink Provider for Box

Uploads your large attachments to your Box instead of sending them by email.

Rated 3 out of 5 stars (2)
4,601 users
Updated Feb. 19, 2020

FileLink Provider for Dropbox

Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.

Rated 4 out of 5 stars (6)
8,689 users
Updated Feb. 19, 2020

SmartTemplate4 Requires Restart

SmartTemplate⁴ 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.

Rated 5 out of 5 stars (65)
11,111 users
Updated Feb. 14, 2020

RemindIt

Help in reminding mails to be answer or sent again. Choose a reminder date for each received or send message that are highlighted in the message list, depending on their status (expired, soon to exprire, to be reminded). Sending a reminder is eased.

Rated 3 out of 5 stars (23)
235 users
Updated Feb. 13, 2020

Flex Confirm Mail Requires Restart

Confirm mail address and attachments based on flexible rules.

Rated 4 out of 5 stars (8)
15,706 users
Updated Feb. 10, 2020

Emoji Requires Restart

Add emojis to your e-mails.

Rated 4 out of 5 stars (26)
15,527 users
Updated Feb. 5, 2020

FileLink Provider for OwnCloud and NextCloud

Uploads your large attachments to your OwnCloud or NextCloud server and instead inserts a public link into your email.

Rated 5 out of 5 stars (6)
528 users
Updated Feb. 4, 2020

Send Later Requires Restart Featured

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (175)
77,154 users
Updated Feb. 3, 2020

Reply to Multiple Messages Requires Restart

Add menu commands for replying to multiple messages at the same time.

Rated 5 out of 5 stars (8)
676 users
Updated Feb. 3, 2020

changeQuote Requires Restart

It's an extension that changes the format of reply header.
You can choose between the standard Thunderbird reply header, a detailed reply header or a Customized reply header.
You can configure it in the Tools ->“Add-on Preferences -> changeQuote.

Rated 4 out of 5 stars (7)
648 users
Updated Feb. 1, 2020

One-by-One Forward Requires Restart

Highlight multiple emails, right-click, then select "One-by-One Forward". This extension will allow you to forward the selected emails, one-by-one, to the recipients you specify using your choice of attachment handling.

Rated 3 out of 5 stars (5)
394 users
Updated Feb. 1, 2020

CategoryManager Requires Restart

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Rated 5 out of 5 stars (10)
6,089 users
Updated Jan. 21, 2020

EnForward Requires Restart

Save your email into Evernote by forwarding it to Evernote email address.
Before you use it, you need to specify your Evernote email address (see the screenshot).

This function can be invoked by "Forward to Evernote" in the context menu.

Rated 4 out of 5 stars (8)
1,337 users
Updated Jan. 20, 2020

Shrunked Image Resizer Requires Restart

Make your photos smaller, so they don't take forever to email.

Rated 3 out of 5 stars (50)
9,111 users
Updated Jan. 19, 2020

ThunderHTMLedit Requires Restart Featured

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.

Rated 5 out of 5 stars (20)
10,216 users
Updated Jan. 7, 2020

Stop Ignoring Reply:To Requires Restart

Default "Reply" functionality pays attention to "Reply-To" in original email

Rated 5 out of 5 stars (11)
415 users
Updated Jan. 3, 2020

BorderColors D Requires Restart

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 4 out of 5 stars (6)
2,772 users
Updated Dec. 19, 2019

Owl for Exchange

Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird

Rated 4 out of 5 stars (39)
29,797 users
Updated Dec. 18, 2019

Check and Send Requires Restart

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (31)
19,856 users
Updated Dec. 8, 2019