FAQconfig - psiinon/zaproxy GitHub Wiki
The default directory that ZAP uses depends on the OS.
Note that you can override this using the -dir command line option.
C:\Users\<username>\OWASP ZAP
C:\Documents and Settings\<username>\OWASP ZAP
~/.ZAP
~/Library/Application Support/ZAP
Note that for weekly releases "_D" is appended to the above directory.