Ctrl+X

Cut

Ctrl+C

Copy

Ctrl+V

Paste

Ctrl+S

Save

Ctrl+Z

Undo

Ctrl+Y

Redo

Ctrl+A

Select All

Ctrl+Shift+S

Search

Ctrl+Shift+,/Ctrl+Shift+.

Change Recepient

Esc

Cancel

Tab

Tab Forward Through Fields

Shift+Tab

Tab Backward Through Fields