F8

Toggle Message Pane

F6/Tab/Shift+Tab

Switch focus between Folders Pane and Message List Pane

Arrow Down/Arrow Up

Go one message down / one message up

Home/End

Go to first message / go to last message

F/B

Go to next / go to previous message

N/P

Go to next / go to previous unread Message

[/]

Go to previously viewed / go to next viewed Message

Ctrl+O/Enter

Open message (in new window or tab)

Ctrl+W

Close window or tab

Ctrl+T

Redo close window or tab

Ctrl+A

Select all messages

Ctrl+Shift+A

Select all messages in Thread

Arrow Right/Arrow Left

Expand / collapse collapsed Thread

*/\

Expand all Threads / collapse all Threads

Ctrl+M

New Message

Ctrl+R

Reply to Message (sender only)

Ctrl+Shift+R

Reply to all in Message

Ctrl+Shift+L

Reply to list

Ctrl+L

Forward Message

Ctrl+E

Edit Message as new

Ctrl+Enter

Send Message now

Ctrl+Shift+Enter

Send Message later

Alt+Arrow Down

Add additional recipient

Ctrl+[+]/-

Increase / decrease text size of selection

Ctrl+C/Ctrl+X/Ctrl+V

Copy / Cut / Paste

Ctrl+Shift+O

Paste as quotation

Ctrl+Shift+V

Paste without formatting

Ctrl+A

Select all text in a message

Ctrl+S

Save draft

Ctrl+Delete

Delete current word

Ctrl+Backspace

Delete previous word

M

Mark Message as read / unread

R

Mark Message Thread as Read

Shift+C

Mark all Messages als Read

C

Mark as Read by date

J/Shift+J

Mark as Junk / mark as not junk

S

Add / remove Star

A

Archive Message

Ctrl+Alt+M

Move to previous folder

Delete

Delete message

Shift+Delete

Delete with bypassing trash

K

Ignore or Unignore Thread

Shift+K

Ignore or Unignore Subthread

W

Watch Thread

1 ... 9

Add / remove Tag 1 ... 9

0 (zero)

Remove all Tags from Message

Ctrl+F

Find Messages with Quick Filter

Ctrl+Shift+F

Find all Messages in Folder

Ctrl+f and ctrl+f again

Find text in current Message

Ctrl+G/F3

Find text again next in Current Message

Ctrl+Shift+G/Shift+F3

Find text again previous in Current Message

Ctrl+Shift+K

Move to Search Bar

Ctrl+T/F5

Send and retrieve all messages

F5

Retrieve new messages for current account

Ctrl+Shift+T

Retrieve new messages for all accounts

Esc

Stop

Ctrl+U

View Message Source

Ctrl+S

Save Message as File

Ctrl+P

Print

Ctrl+Z

Undo

Ctrl+Y

Redo

F7

Caret browsing (select text with keyboard)

Ctrl+?

Help

Ctrl+J

Open 'Saved Files' Window

Ctrl++/-

Increase / decrease text size (zoom)

Ctrl+ 0 (zero)Command + 0 (zero)Ctrl+0

Restore Text Size (reset zoom)

Ctrl+Shift+B

Open Address Book

Ctrl+Q

Exit