In the Preferences page, use the Application Settings tab to set preferences:
Set up email for Approvals and job notifications. See Setting Up Email.
Select a set of alias names for displaying dimension and member names. See Alias and Member Setting.
Set Approvals options and out of office settings. See Setting Approvals Options and Selecting an Alternate Reviewer.
In a multicurrency application, set the reporting currency in which to display aggregated planning unit values. See Setting the Reporting Currency.
Set other preferences on these tabs:
Display Options: See Setting Preferences for Display Options
User Variable Options: See Setting Preferences for User Variables