Where does my email client store my email? Windows:Outlook: C:\Users\\AppData\Local\Microsoft\OutlookMac OS X:Eudora: /Macintosh HD/Users//Library/Qualcomm/Eudora/ Entourage 2004: /Macintosh HD/Users//Documents/Microsoft User Data/Office 2004 Identities/Main Identity/Entourage 2008: /Macintosh HD/Users//Documents/Microsoft User Data/Office 2008 Identities/Main Identity/