You can easily tell which "C++ General" or "C++ Target RTS" property tabs contain customized settings. A ">" prefix gets added to the name of the tab that has a modified property inside it.
This means you can:
Also, you can reset any modified property to its original value. All you have to do is:
For example, if a property's value has been changed from its default, it is shown in bold. You can simply right-click the property and select Restore to Default to get it back to its original value.