FileOpen Client Installers
FileOpen Systems provides a set of free plug-ins and viewers that can be used to access documents encrypted with the FileOpen software. These include plug-ins for Adobe Acrobat™ and Reader™, and standalone viewers for handheld platforms. If you landed on this site while trying to open PDF document, that means the publisher requires you to install FileOpen plugin to access the file. Note that installation of the FileOpen Client software is not sufficient to enable opening of documents, the publisher's permission is also required. Click here for plug-in uninstall/removal instructions.

FileOpen Plug-in Installers for Windows

Windows Installers

FileOpen Exe Installer [998] (recommended)

MSI Installer for 64-bit systems [998]

System Requirements

64-bit Windows 10 or later, Server 2016 or later

Adobe Reader/Adobe Acrobat 9.0 or later

Which installer should I choose?

We recommend the .exe installer for normal interactive installations as it will install the correct version for your platform.

The .exe and .msi installers are equivalent. We provide .msi installers for network deployment by system administrators.

For 32-bit and/or older versions of Windows use the 0996 Exe Installer

FileOpen Plug-in Installer for Macintosh

macOS Installers:

macOS 10.9+ Installer

System Requirements

macOS 10.9 or above.

Adobe Reader/Adobe Acrobat DC version 22.003.20310 or higher

FileOpen PDF Viewer for iOS

App Store

FileOpen PDF Viewer for iOS

System Requirements

iPhone, iPod Touch: iOS 10.3 or later. iPad: iPadOS 10.3 or later.

FileOpen Viewer for Android


FileOpen Viewer for Android

System Requirements

Android 2.2 +

FileOpen Systems has been a licensed Adobe Security Partner since 1997.