# Preferences

The preferences window can be accessed from Twins menu. All options in Preferences have a description field, to describe its functionality. In case if you have questions related to detailed information about a specific option contact us.

## Search for duplicates in iPhoto

To properly scan your iPhoto Library an option called "Scan duplicates in iPhoto" has to be enabled at the bottom of "Under the Hood" tab.

This option forces Twins to analyze the meta information of iPhoto libraries and show only the actual duplicates within iPhoto. By removing iPhoto duplicates from Twins, iPhoto is launched and the items are moved to iPhoto's Trash. To permanently delete the items and free up your drive space the Trash of iPhoto needs to be emptied.

Note: Only the removal of the currently active iPhoto library items are allowed. Warning messages are displayed for the selection of items inside inactive libraries.