You can export automatic groups by following steps:
- Click on computers group
2.Drop down the options of computer group.
3.Select all computer groups.
4.again you will get the drop down option.
5.Select By Type and from type select automatic.
Select all the automatic group and you will and right click in the window you will be able to select the export option.
For manual groups you have to take the back up manually by selecting the computer name, as we mainly create manual group by the computer name or some unique IDs