SQL Backup Pro produces two different types of log file, application log files and activity log files. These files are useful if you have encountered a problem and are working with Redgate support to resolve it.
Application log files collect information about the application while you are using it.
By default, application log files are stored in:
Activity log files collect information about each backup and restore activity performed in SQL Backup Pro.
For more detailed information on activity log files, see SQL Backup log files in File management options.