How to unzip a zip file attachment from Mail App?

In iOS 13, when using "Open in iZip" or "Open in iZip Pro" from Mail app for a zip file attachment, you will encounter an error because of a bug in Mail App. Instead, you can use the following two methods to open a zip file attachment from Mail App in iZip or iZip Pro:

1. Use "Copy to iZip" or "Copy to iZip Pro":  after tapping on "Share" button in Mail App, you will need to scroll to the right on the second row and tap on "More". Find "Copy to iZip" or "Copy to iZip Pro" and tap on it. Your zip file will be imported and opened in iZip/iZip Pro.  You can view a demo video using this method: Demo: open a zip file attachment from Mail App using "Copy to iZip".

2. Use "Save to Files":  after Tapping on "Share" button in Mail App, you can tap on "Save to Files". Browse to "On My iPhone", find "iZip" or "iZip Pro' and select it. Tap "Save" to save the attached zip file in iZip/iZip Pro. After that, open iZip/iZip Pro and tap on the saved zip file to open it. You can view a demo video using this method: Demo: open a zip file attachment from Mail App in iZip using "Save to Files"