WIN
QuickBooks Desktop - Windows
Intuit Inc.Log file
%LOCALAPPDATA%\Intuit\QuickBooks\Log\<version>\QBWin.log1 log location · Windows
QuickBooks Desktop logs to %LOCALAPPDATA%\Intuit\QuickBooks\Log\<version>\QBWin.log on Windows.
Paths are printed exactly as QuickBooks Desktop writes them. Environment variables like %LOCALAPPDATA% and $XDG_STATE_HOME are never expanded, so a path can be pasted straight into a shell. Where a path differs between installer types or shipping flavours, each one is racked as its own card below - why that happens.
Finding your way around Windows.
%LOCALAPPDATA%\Intuit\QuickBooks\Log\<version>\QBWin.log