Folders and Filters
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Mark All Read:WE
Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.
folderplus
Requires Restart
This extension adds some basic missing features about folders.
Move mails to their conversation folder. Navigate to folder with new keyboard shortcuts.
Archive This
Requires Restart
Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.
Archive old messages
A context menu item to archive all messages than older than a given duration.
AutoBucket
This is an extension function that classifies emails into multiple buckets using AI(the Bayesian filter) and tags them.
Auto Filter Timer
Requires Restart
Run existing message filters on any folder at a specified interval. Simply right-click the desired folder then choose from the [AUTOFILT] menu items. This is a hack/clean-up of another coder's work, but works perfectly. Use at your own risk
SmartFilters
Requires Restart
Tired of writing a lot of filters? Install SmartFilters now to organise your mailbox automatically. It can sort out your mailing lists and robot emails.
Search for
Context menu on message allowing quick filtering based on email/sender or domain
EmailPicky 4
Requires Restart
Grab email addresses from emails from any selected Email Folder and add them to your contacts. (Email Crawler / Email ID Grabber / Bounced email collector) - Thunderbird Plugin
Note: It doesn't create duplicates, but shows as 'xxx messages added'.
ShowFolderSize-T
Requires Restart
Shows folders size on disk.
This add-on is a fork of ShowFolderSIze.
https://freeshell.de//~kaosmos/index-en.html#foldersize
Shedule Filters
Requires Restart
Sheduled run message filters
Запуск фильтров сообщений по расписанию
Tag Sequence Arranger
Requires Restart
Enable you to arrange the tag sequences in their listbox.
SavedSearchInSubFolders
Requires Restart
This addon allows virtual folders (saved searches) to automatically process all subfolders of their selected target folders.
The search targets are updated automatically whenever a new folder is added, or a virtual folder is updated.
DetachAttachment - Attachment clipper, Extractor
Requires Restart
This addon provides functionality of bulk delete attachments of selected messages.
Delete-command is added to the messages' context menu.
Count Filters
Requires Restart
This add-on provides various search filters couting values, such as total number of recipients, or number of lines, words,links in body message.
Purge Events Plus
Requires Restart
Purge events from Sunbird and Lightning files and thereby cleanes the calendar
Copy Folder mod
Requires Restart
I corresponded to thunderbird 60 or later
Copy Folder
original:
https://addons.thunderbird.net/ja/thunderbird/addon/copy-folder/
Toggle Folderpane View
Requires Restart
This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.
To create your own collections, you must have a Mozilla Add-ons account.