Users can find the Eudora database at the following location: For Eudora 7 & lower version: Look for MBX files in "C:\\Users\\admin\\AppData\\Roaming\\Qualcomm\\Eudora" For Eudora 8: Look for SBD/MBOX files in "C:\\Users\\admin\\AppData\\Roaming\\Thunderbird\\Profiles\\" or similar location.