Keys for reading messages

Press	To
+O	Open the selected message in a separate window.
+[	View the previous message.
+]	View the next message.
CTRL+[	View the previous unread message.
CTRL+]	View the next unread message.
SPACEBAR	Scroll down to the next screen of text or, if you are at the end of a message, view the next unread message.
SHIFT+SPACEBAR	Scroll up to the previous screen of text or, if you are at the beginning of a message, view the previous unread message.
OPTION+SPACEBAR	Scroll down to the next screen of text or, if you are at the end of a message, delete the current message and view the next unread message.
CONTROL+SPACEBAR	Scroll up to the previous screen of text.
Hold down the SPACEBAR	Scroll down through a message slowly and continuously.
OPTION++[	Delete the current message and view the previous message.
OPTION++]	Delete the current message and view the next message.
CTRL+OPTION+[	Delete the current message and view the previous unread message.
CTRL+OPTION+]	Delete the current message and view the next unread message.
DELETE or DEL	Delete the selected message.
OPTION++DELETE or OPTION++DEL	Delete the current message, and, if the message window is open, close it.

Keys for reading threaded messages

Press	To
CONTROL+SHIFT+[	Read the last unread message of a previous thread that contains an unread message.
CONTROL+SHIFT+]	Read the first unread message of the next thread that contains an unread message.
SHIFT++[	Read the last message in the previous thread.
SHIFT++]	Read the first message in the next thread.
SHIFT+OPTION++[	Delete the current message and read the last message in the previous thread.
SHIFT+OPTION++]	Delete the current message and read the first message in the next thread.
OPTION+CONTROL+SHIFT+[	Delete the current message and open the last unread message in a previous thread that contains an unread message.
OPTION+CONTROL+SHIFT+]	Delete the current message and open the first unread message in the next thread that contains an unread message.

Keys for creating, addressing, formatting, and sending messages

Press	To
+N	Create a new message.
+K	Send the open or selected message.
OPTION++K	Move the open or selected message to the Outbox, so it will be sent the next time you connect to the server.
+S	Save the open message and store it in the Drafts folder.
+E	Add an attachment to the open message.
+B	Make the selected text bold in an HTML message or signature.
+I	Italicize the selected text in an HTML message or signature.
+U	Underline the selected text in an HTML message or signature.
OPTION++L	Check spelling in the open message.
SHIFT++C	Check recipient names in the open message.

Keys for replying to, forwarding, and redirecting messages

Press	To
+R	Reply to the sender of the message, or, if the message is from a mailing list, reply to the mailing list.
SHIFT++R	Reply to all.
OPTION++R	Reply only to the sender of a mailing list message.
+J	Forward the message.
OPTION++J	Redirect the message.

Keys for using the Address Book

Press	To
+2	Open the Address Book.
TAB	Move forward through fields in a pop-up window.
SHIFT+TAB	Move back through fields in a pop-up window.
RETURN or ENTER or ESC	Save the information you typed in the pop-up window, and then close it.
OPTION+TAB	Open the next pop-up window.
SHIFT+OPTION+TAB	Open the previous pop-up window.
+=	Add the sender of a message to the Address Book.

Keys for finding text and changing font size

Press	To
+F	Find text in a message or in messages in a folder.
+G	Find the next instance of the text you searched for.
+H	Find the next instance of the text you just selected in a message.
OPTION++F	Perform an Advanced Find.
SHIFT++-	Decrease the font size of text in an open message or in the Preview pane.
SHIFT++=	Increase the font size of text in an open message or in the Preview pane.