Promises, promises. Another wonderful, blow away your stuff, while seemingly saying it won't.
Still not as dangerous as early DOS formatting the default(current) drive when you left off the drive letter.
[...]C:\Users\<Your User Name>\Documents\Outlook Files
C:\Windows.old\Users\<Your User Name>\AppData\Local\Microsoft\Outlook
[...]
And stuff in %APPDATA% too!, and C:\WINDOWS. C:\Program Files, C:\ProgramData.