The wis file extension is associated with InstallShield program developed by Flexera Software, Inc.. InstallShield is used for Windows Installer and InstallScript installations. This type file contains install help for the program.
How to open:
Use InstallShield program to open files with wis extension.
How to convert:
As far as we know, this .wis file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.