Duplicate Channel

The "Duplicate Channel" command copies the selected channel as a new alpha-channel.

You may use it, for example, to copy a saved selection to another image as follows:

1. Open in Photoshop Elements two images having the same pixel dimensions.

2. Select the document containing the saved selection.

3. Open the "Selection" dialog and choose the proper alpha-channel in the left panel.

4. Apply the "Duplicate Channel" command (fig. 1).

5. In the dialog that opens, select the target document (fig. 2) and click "OK".

Another purpose of this command is creating an alpha-channel from a color channel.

1. In the left panel of the "Selections" dialog, choose the Red, Green, or Blue channel.

2. Apply the "Duplicate Channel" command.

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