Gmail Shortcuts from Keyboard

Gmail Shortcuts Note: Must have "keyboard shortcuts" on in settings.
C: Compose new message.
Shift + C: Open new window to compose new message.
Slash (/): Switch focus to search box.
K: Switch focus to the next most recent email.
Enter or "O" opens focused email.
J: Switch focus to the next oldest email.
N: Switch focus to the next message in the "conversation."
Enter or "O" expands/collapses messages.
P: Switch focus to the previous message.
U: Takes you back to the inbox and checks for new mail.
Y: Various actions depending on current view: Has no effect in "Sent" and "All Mail" views. Inbox: Archive email or message.
Starred: Unstar email or message.
Spam: Unmark as spam and move back to "Inbox." Trash: Move back to "Inbox."
Any label: Remove the label.
X: "Check" an email.
Various actions can be performed against all checked emails.
S: "Star" an email.
Identical to the more familiar term, "flagging."
R: Reply to the email.
A: Reply to all recipients of the email.
F: Forward an email.
Shift + R: Reply to the email in a new window.
Shift + A: Reply to all recipients of the email in a new window.
Shift + F: Forward an email in a new window.
Shift + 1 (!): Mark an email as spam and remove it from the inbox.
G then I: Switch to "Inbox" view.
G then S: Switch to "Starred" view.
G then A: Switch to "All Mail" view.
G then C: Switch to "Contacts" view.
G then S: Switch to "Drafts" view.