Logs (File=>Export=>GPX)
Limit number of logs - You can limit the number of logs when you generate a GPX file by selecting the required number from the drop down box.
Always include my logs - If you want to make sure all your own logs are sent (regardless of the limit setting) then check the "always include my logs" box
Place alternate coordinates in log text - Check this box to prefix the log text with any alternate coordinates for this log.