Adobe Photoshop CC 2014 v.14.xx User Manual
Page 361

Note:
8. When you have finished selecting channels, click OK.
The selected channels are merged into a new image of the specified type, and the original images are closed without any changes. The
new image appears in an untitled window.
You cannot split and recombine (merge) an image with spot color channels. The spot color channel will be added as an alpha
channel.
Adobe also recommends
354
This manual is related to the following products: