Switch to Calendar.
CTRL+2
Create a message.
CTRL+SHIFT+M
ALT
Displays the Key Tips (new shortcuts) on the ribbon.
Make letters bold.
CTRL+B
Ctrl+X
Cut the selected item
Temporarily select Hand tool
Spacebar
Scroll (when Hand tool is selected)
Spacebar
Suppress Red Version Warning Banner
Shift+Ctrl+Z
Expand the current bookmark (focus on Bookmarks panel)
Right Arrow or Shift+plus sign