Run the software and it loads all playable audiobooks from the iTunes Books library automatically. You can also drag aa, aax format to click and select the files you want to convert.
Click Profile button and select the required profile in Output File Format drop-down list.
Click the Macsome AudioBook Converter menu and select Preferences to customize the Output Settings by clicking Choose... to set the destination.
Tips: The default path is / Users/ user/ Documents/ Macsome AudioBook Converter, click Reveal In Finder to open the path.
Click the Convert button and then the selected files will be listed in the window that pops up.
When the conversion is started, the Status will keep updating the status of the files until that the conversion finished.
After the conversion is done, the Stop button will change to the Close button. Click the Play button shown behind the completed file to play the output files.