However, the average age is higher given that some people enlist later. The maximum age for most branches is 35. On its recruiting website, the U.S. Army reported an average enlistment age of just under 21 in 2012. This was slightly lower than the average age from 2010 and 2011.
Modern authentication is available in Office 2016 for OSX and Windows, and on mobile clients (Windows mobile, iOS, Android). On Windows, Office 2013 clients also have modern authentication implemented, but this is disabled by default. Modern authentication can only be enabled through the registry.
Authentication is one of the most important pillars of security. Where possible, you should use Windows authentication because this enables you to use an existing identity store such as your organization's Active Directory and to enforce strong password policies.