Menu bar > Views menu

These viewport-handling commands are provided on the default main menu:

Views Menu

Undo View Change / Redo View Change

Save Active View

Restore Active View

Grid Commands

Viewport Image Dialog

Select Background Image Dialog

Update Background Image

Reset Background Transform

Show Transform Gizmo

Show Ghosting

Show Key Times

Shade Selected

Show Dependencies

Create Camera From View

Add Default Lights to Scene

Redraw All Views

Activate All Maps

Deactivate All Maps

Update During Spinner Drag

Adaptive Degradation Toggle

Smart Object Culling

Expert Mode