Can’t open password protected documents in iPhone or ipad

[kian hongh53510864]

i had subscribed to some news later that is password protected when it sent to me,I’m not sure how they created it but when I try to open it either with safari,google chrome ,acrobat reader for iOS ,or other pdf reader,it just report that the format is not supported on this device,can someone help

[Bernd Alheit]

This are XFA forms or protected PDF documents.

[kian hongh53510864]

Is that means I can’t open it either way?

[Bernd Alheit · Accepted solution]

Use a Windows system or a Mac.