You can split the channels of a flattened image into separate images. The original file is closed, and the individual channels appear in separate grayscale image windows. The title bars in the new windows show the original filename plus the channel abbreviation (Windows) or full name (Mac OS). Any changes since the last save are retained in the new images and lost in the original.
Splitting channels is useful when you want to retain individual channel information in a file format that doesn't preserve channels.
Note: Only flattened images can be split. (See "Flattening all layers"on page 295.)
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