BranoI hate VogonsPremium,MVMReviews:
|reply to Kirby Smith |
Re: USG 20 or 50 the right choice?
These files are not password protected, they're just encrypted and can be opened with Acrobat 9 and later as per screenshots here »Re: USG 3.0 User Guide
...every document format is evolving, 3rd party readers need to keep up the pace or they become useless