All Gmail Shortcuts

First enable shortcuts of gmail
for that go to setting and find Keyboard shortcuts and on it

Jumping

g then i : Go to Inbox

g then s : Go to Starred conversations

g then t : Go to Sent messages

g then d : Go to Drafts

g then a : Go to All mail

g then c : Go to Contacts

g then k : Go to Tasks

g then l : Go to Label

Threadlist selection

* then a : Select all conversations

* then n : Deselect all conversations

* then r : Select read conversations

* then u : Select unread conversations

* then s : Select starred conversations

* then t : Select unstarred conversations

Navigation

u : Back to threadlist

k / j : Newer/older conversation

o or <Enter> : Open conversation; collapse/expand conversation

p / n : Read previous/next message

` : Go to next inbox section

~ : Go to previous inbox section

Application

c : Compose

/ : Search mail

q : Search chat contacts

. : Open "more actions" menu

v : Open "move to" menu

l : Open "label as" menu

? : Open keyboard shortcut help

Actions

, : Move focus to toolbar

x : Select conversation

s : Rotate superstar

y : Remove label

e : Archive

m : Ignore conversation

! : Report as spam

# : Move to trash

r : Reply

<Shift> + r : Reply in a new window

a : Reply all

<Shift> + a : Reply all in a new window

f : Forward

<Shift> + f : Forward in a new window

<Shift> + n : Update conversation

<Tab> then Enter : Send mail

<Esc> : Focus last mole

] / [ : Remove conversation from current view and go previous/next

} / { : Archive conversation and go previous/next

z : Undo last action

<Shift> + i : Mark as read

<Shift> + u : Mark as unread

_ : Mark unread from the selected message

<Ctrl> + s : Save draft

+ or = : Mark as important

- : Mark as not important

g then p : Make a phone call

<Shift> + t : Add conversation to Tasks