How do I change Google Docs default quotation symbols

Question

Default quotation symbols in Google Docs are curly ones “”. I would like to use command line quotes like "". I can't find any solution except:

Insert -> Special Characters -> Punctuation -> Quotation Mark

Is it possible to change default quotation symbols in Google Docs?

Answer 1

At the top of Tools > Preferences:

Answer 2

The smart quotes are kind of automatic replacement. You can undo every automatic replacement with Ctrl-Z.

Example:
Type ": Google Docs will replace by “
Type Ctrl-Z: Google Docs will undo the replacement and leave "

Answer 3

Go to Settings -> Input Methods to change it.