Opera stores the user data in the following locations:
The file typed_history.xml contains the history of the URLs typed in the address bar by the user.
Search field history
The file search_field_history.dat is an XML file that contains the history of queries typed in the search bar by the user.
The file global_history.dat is a text file.
Welcome to Opera http://www.opera.com/portal/upgrade/ 1319089117 -1
Where the fields are:
- date and time (32-bit POSIX or Unix epoch timestamp)