Using the built-in view settings

OmniFocus includes several preset perspectives, which appear in the Perspectives menu and on the default toolbar. (If you customized your toolbar prior to OmniFocus version 1.5, you may need to choose Customize Toolbar from the View menu again to add them to your toolbar.)

Inbox — This takes you directly to your inbox, where you can enter new items.

Projects — The most basic view of planning mode, showing your remaining actions organized by project.

Contexts — The most basic view of context mode, showing your remaining actions organized by context.

Due — Remaining actions that are either due soon or overdue, grouped by due date.

Flagged — Actions you have marked with a flag, organized by context.

Review — Your remaining projects, organized by their next review date.

Completed — All projects, each displaying their actions that have already been marked complete. This is nice for reviewing what you’ve gotten done lately.

You can customize these settings, if you prefer them to be slightly different. If you want something drastically different, you are probably better off creating a whole new perspective. In the case that you want to return one of the built-in perspectives to the way it was, way back when, times were simpler then, choose Revert Perspective to Default Settings from the gear menu at the bottom of the Perspectives window.

There is also a very inclusive All Items setting available in the Perspectives menu. It includes everything in your database, except for things you have archived. This may take a while to load, but it’s useful for tracking down an item that is hidden in the normal views.