The Single-line layout view type (view type: The basic structure of a view. When you create a view, you must first select one of five view types (table, timeline, day/week/month, card, or icon) to determine how information will be arranged and formatted in your new view.) is only available in a table (table: A view type that displays a list of items (rows) and their attributes (columns). Use this view to display details about items. Table is the default view type for Inbox and Tasks.), such as the Inbox view (view: Views give you different ways to look at the same information in a folder by putting it in different arrangements and formats. There are standard views for each folder. You can also create custom views.).