To see general options for working with Outlook, click File > Options > General.
In this article
User Interface options
Show Mini Toolbar on selection Select this option to show the Mini toolbar when you select text. The Mini toolbar provides quick access to formatting tools.
Enable Live Preview Select this option to preview the effects of formatting changes in messages.
ScreenTip style Select a style to control whether Outlook displays screentips and feature descriptions with button names.
Personalize your copy of Microsoft Office
User name Type a name in the User name box to change your user name.
Initials Type your initials in the Initials box to change the initials associated with your user name.
Always use these values regardless of sign in to Office Select this option if you want Office to display this user name and these initials even if you sign into Office with an account that displays different information.
Office Background Choose from a list of built-in background patterns.
Office Theme Choose from a list of built-in Office themes.
Start up options
Make Outlook the default program for E-mail, Contacts, and Calendar Click Default Programs to see and change the list of file types that Outlook opens by default.