How To Type @

It is not always obvious how to type the vital @ character in different language keyboards.   Below is a key to its location on some common Apple input sources.  To find it on any keyboard, you can use Keyboard Viewer.

US/British/Dutch:  Shift 2

British PC:  Shift '

German/Austrian:  Option L

German Standard:  Option Q

Swiss German:  Option G

French/Belgian:  Option `

Canadian CSA:  Shift 2

Swiss French:  Option G

Latin American:  Option Q

Spanish/Portuguese:  Option 2

Brazilian/ABNT:  Shift 2

Italian:  Option ò

Swedish/Finnish: Option 2

Norwegian:  Rightmost key in middle row

Danish:  Option '