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No Message Pane Sort

No Message Pane Sort prevents accidental resorting of the message pane by disabling mouse button clicks on the column headers, thus, locking the sorting order of your emails.

It is still possible to sort messages by ctrl-clicking the header.

Rated 5 out of 5 stars (53)
3,940 users

No More Install Delay

UPDATE: XPI delay has been removed in Firefox 40!

Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!

Unlike similar addons, this works on Firefox 4 and beyond.

Rated 4 out of 5 stars (10)
1 user

No need flash plugin on embeded youtube movies

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (25)
50 users

No Resource URI Leak

Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246

Rated 4 out of 5 stars (31)
15 users

No Small Text

Set a minimum text size for all web content. Use the toolbar button to switch it on and off. NEW: Three preset sizes. NEW: Use mouse scroll on the toolbar button.

Rated 4 out of 5 stars (21)
26 users

No tabs

Hides the tab bar and automatically removes all inactive tabs everytime a tab is opened or switched to.

Rated 5 out of 5 stars (5)
123 users

NoComposeAccount Requires Restart

Have the option of Thunderbird always using the default sender account or a blank account when composing or replying to messages

Rated 4 out of 5 stars (16)
135 users

Noia Fox options Requires Restart

Options manager and fixes for Noia Fox theme 3.x.x

Rated 4 out of 5 stars (17)
31 users

Nokia Synchronization Requires Restart

Synchronize Thunderbird and Nokia phone...

Rated 2 out of 5 stars (43)
0 users

nomapi Requires Restart

not a mapi plugin

Not yet rated
0 users

Nostalgy Requires Restart

Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.

Rated 5 out of 5 stars (227)
1,102 users

Nostalgy++/ Manage, search and archive emails

Shortcuts to move/copy/archive messages, with folder name completion.
Rules for moving messages to folders.
Automatic rules by statistical observation/ by folder of conversation/thread.
Search dialog in a tab, with message display /folder tree.

Rated 5 out of 5 stars (71)
3,649 users

Notary Requires Restart

Adds a notes pane to the message view. Any text typed is stored against the message for later review. Very simple interface. Based on msgNotes By Frank DiLecce. I did not like being restricted to a single line nor having to hit buttons or menus...

Rated 4 out of 5 stars (16)
0 users

Notebird

Prendi appunti su tutte le email!

Rated 3 out of 5 stars (1)
114 users

Notepad (QuickFox) Requires Restart

Everyday note-taking solution.

Rated 4 out of 5 stars (191)
12 users

Notificaciones de chat

Muestra una notificación cuando se recibe un mensaje de chat.

Not yet rated
0 users

Notification Viewer Requires Restart

Identifies and displays the status of pending and received notifications (DSN, MDN) for messages sent with notification requests. To get full experience with this addon, don't forget to use DSN settings and MDN extended addons too.

Rated 4 out of 5 stars (8)
0 users

Notikeys Requires Restart

Send notification to notikeys on new message arrival

Not yet rated
0 users

NotTo Requires Restart

Are you using mailing lists in Thunderbird ?
Do you forward a lot of mail ?

If so, this extension may be useful for you.

Rated 4 out of 5 stars (33)
0 users

notto Requires Restart

Do not send mail to the addresses found into notTo field.

Rated 5 out of 5 stars (5)
0 users