The History tab displays a summary of the previous runs of the current project.
You can load up a previous run into the Log to see the details of that run.
The History records a record for every run for the project, but only a finite number detailed logs are kept. The maximum number of detailed logs can be changed in the Options screen. When the detailed log has been deleted (either automatically or manually), the entry for that log will be grayed out and you can no longer view the details of the log.
Loads the log in the Log tab of the Design and Debug screen.
Deletes the log permanently.
Deletes all stored logs permanently.
Compresses the stored log file to save space.
Exports the selected log to HTML, Text, or XML.
If unchecked, deleted logs are displayed in grey. Otherwise, they are hidden.