Translations:UserProfile/12/en
Windows
%APPDATA%\libreoffice\4\user
(LibreOffice 4, 5 & 6)%APPDATA%\libreoffice\3\user
(LibreOffice 3)
Note: on a normal Windows install, %APPDATA% resolves to either "C:\Documents and Settings\<user name>\Application Data" (up through Windows XP) or "C:\Users\<user name>\AppData\Roaming" (Vista or later), at least on English versions of Windows (part of the path may be localized on non-English versions).