Single sign-on for Office documents can be achieved by setting a persistent cookie in the authentication scheme.
To do this using OAM 11g, you need to set
ssoCookie=max-age in the authentication scheme. This creates a persistent cookie which lasts for more than one session.
For integration based on Windows Native Authentication, you do not need to set the persistent cookie parameter.
time-in-seconds represents the time interval when the cookie expires. For example,
ssoCookie=max-age=3600 sets the cookie to expire in 1 hour (3600 seconds).