The Outlook Add-In logs errors, warnings, fatal errors, and informative details to a file to assist with troubleshooting. Other available log levels include “ALL,” "DEBUG," “INFO,” “WARN,” “ERROR,” “FATAL” and "OFF." The log entries include the date and time in 24-hour format, mm/dd/yyyy hh:mm:ss (e.g., 06/25/2010 14:17:46). A log file can grow up to 10 MB, at which point a new log file is created, up to 10 log files total. By default, the log files are saved in %userprofile%\Application Data\Globalscape\Mail Express Outlook Addin\logs. You can change this location in the General Configuration dialog box when the Mail Express User Interface is enabled.