How to extract file on iPhone

Method 2 Extracting a Zip

1. Download iZip from the App Store. ... 
2. Open the Files app. ... 
3. Go to the folder that contains the Zip file. ... 
4. Tap and hold the Zip file. ... 
5. Tap Share. ... 
6. Tap Save to Files. ... 
7. Tap the arrow next to “On My iPhone.” ... 
8. Select the iZip folder.