Keyboard Shortcuts ThunderBird Email

Starting a new message
New message Ctrl + N
Ctrl + M
Reply to Message (sender only) Ctrl + R
Reply to All in Message (sender and all recipients) Ctrl + Shift + R
Reply to List Ctrl + Shift + L
Forward Message Ctrl + L
Edit Message as New Ctrl + E


Receiving and reading messages
Get New Messages for Current Account F5
Get New Messages for All Accounts Shift + F5
Open message (in new window or tab) Ctrl + O
Open message or folder in a new tab in the background Middle-click the message or folder,  or
Right-click the message or folder, then choose Open Message in New Tab or Open in New Tab from the context menu
Open message or folder in a new tab in the foreground Shift + Middle-click the message or folder, or
Right-click the message or folder, then hold Shift while choosing Open Message in New Tab or Open in New Tab from the context menu
Open message in conversation Ctrl + Shift + O
Zoom In Ctrl + +
Ctrl + =
Ctrl + scroll wheel up
Zoom Out Ctrl + 
Ctrl + scroll wheel down
Reset Zoom Ctrl + 0 (zero)
Expand Collapsed Thread
Collapse Expanded Thread
Expand All Threads *
Collapse All Threads \
Newsgroups: Ignore or Unignore Thread K
Newsgroups: Ignore or Unignore Subthread Shift + K
Newsgroups: Watch Thread W


Managing your messages
Print message or selected message text Ctrl + P
Save Message as File Ctrl + S
View Message Source Ctrl + U
Select All (messages, text, or attachments) Ctrl + A
Select Thread Ctrl + Shift + A
Toggle Caret browsing(select text with keyboard) F7
Copy selected text Ctrl + C
Cut selected search text Ctrl + X
Paste text into search or filter fields Ctrl + V


Finding messages
Search All Messages (global fulltext search in all accounts) Ctrl + K
Quick Filter (search messages in current folder or view) Ctrl + Shift + K
Clear current Quick Filter; hide Quick Filter Bar Esc (as often as needed)
Search Messages (advanced search in folder) Ctrl + Shift + F
Finding text in the current message
Find Text in Current Message Ctrl + F
Find Again in Current Message Ctrl + G
Find Previous in Current Message Ctrl + Shift + G
Shift + F3