Adobe photoshop cs2 User Manual

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Chapter 23: Saving and exporting images
Saving images 
Saving image files 
The saving options vary between Photoshop and ImageReady. The primary focus of ImageReady is producing 
images for the web. If ImageReady doesn’t provide the file format or option you need, you can edit in Photoshop. 
To preserve all the Photoshop features in your edited image (layers, effects, masks, styles, and so forth), it’s best to 
save a copy of your image in Photoshop format (PSD). Like most file formats, PSD can support files only up to 2 GB 
in  size. In Photoshop, if you  are working  with  document  files larger than 2 GB, you  can save your image  in  the Large  
Document Format (PSB), Photoshop Raw (flattened image only), and TIFF (up to 4 GB in size only). 
You can save 16-bits-per-channel images only in the following formats using the Save As command: Photoshop, 
Photoshop PDF, Photoshop Raw, Large Document Format (PSB), Cineon, PNG, and TIFF. When using the Save For 
Web command with a 16-bits-per-channel image, Photoshop automatically converts the image from 16 bits per 
channel to 8 bits per channel. 
You can save 32-bits-per-channel images only in the following formats using the Save As command: Photoshop, 
OperEXR, Portable Bit Map, Radiance, and TIFF. 
You can use the following commands to save images: 
Save 
Saves changes you’ve made to the current file. In Photoshop, the file is saved in the current format; in 
ImageReady, the Save command always saves to PSD format. 
Save As 
Saves an image in a different location or under another file name. In Photoshop, the Save As command lets 
you save an image in a different format and with different options. In ImageReady, the Save As command always 
saves to PSD format. 
Export Original Document (ImageReady) 
Flattens  the layers in a copy  of  the original image  and saves  the copy in  
one of several file formats. Some information (such as slices and optimization settings) is not preserved when an 
original image is saved to file formats other than Photoshop. 
Save A Version (Photoshop) 
Lets you save different versions of a file and comment on each. This command is 
available for an image that is managed by a Version Cue Workspace. 
If you’re working with a file from an Adobe Version Cue project, the document title bar provides additional infor­
mation about the status of the file. 
Save For Web (Photoshop), Save Optimized (ImageReady), and Save Optimized As (ImageReady) 
Save an 
optimized image for the web. 
See also