If you need to open one on a mobile device, free apps like iZip (iOS) and 7Zipper (Android) should work.
Lastly, press the OK button to start the conversion process. Next, enter the destination location path in the Output File field. After that, go to Tools > Convert Archive section and select 7Z from the Output Type menu.
Start this software and click on the Open button to browse and load a ZIP archive.After you decompress it, Inside you'll find folder 'iOS 12 Adobe XD' That's where your UI is.