Edit menu commands

The Edit menu offers the following commands:

Undo Reverse previous editing operation.
Add files... Add files to the current album
Add folder Explore a folder and all its sub-folders and add all the picture files to the current album.
Delete Remove the selected picture(s) from the album.
Delete file Remove the selected picture(s) from the album AND delete their associated files.
Paste image Paste the image from the Windows clipboard in the current album.
Update thumbnails Refresh the thumbnails by reading the files that have been modified.
Remove orphans Remove the thumbnails that point to file that no longer exist.
Reduce thumbnail color Save disk space by reducing thumbnail color depth to 16 bits
Album information... Display and edit information about the current album.
Drive & folder... Alter the drive and folder for the thumbnails.