Overview
Preview images overview Aperture allows you to create and use JPEG previews of versions in…

How Aperture displays photos in the Viewer
When a version needs to be displayed in the Viewer, Aperture does the following: Aperture…

Set preview preferences
Aperture provides four preference settings for controlling previews. These settings apply to all libraries. Open…

Automatically manage previews
You turn automatic preview maintenance on or off on a project-by-project basis. Have Aperture automatically…

Manually manage previews
You can delete previews or update previews to regenerate them when you want. Delete all…

Reschedule JPEG preview maintenance
Preview maintenance can be rescheduled for projects in which automatic preview maintenance is turned off.…

Render preview images
Aperture renders preview images in four situations: When a library is upgraded—provided that the “Create…

Suppress preview generation
When Aperture opens, it begins updating previews for those projects whose Maintain Previews For Project…

Sample workflows for using previews effectively
There are several methods for using preview images efficiently and effectively: Generate previews for projects…