About file formats

Graphic file formats differ in the way they represent image data (as pixels or as vectors), in compression technique, and in which Photoshop and ImageReady features they support. With the exception of the Large Document Format (PSB), Photoshop Raw, and TIFF, all file formats can only support documents with a file size of 2 GB or less.

For more information on choosing file formats when opening or saving images, see Opening and importing images and Saving images. For information on choosing a Web optimization format, see Optimizing images and Saving optimized images.

Note: If a supported file format does not appear in the appropriate dialog box or submenu, you may need to install the format's plug-in module. (See Using plug-in modules.)

Related Subtopics:

About file compression
Photoshop format (PSD)
Photoshop 2.0 (Photoshop)
QuickTime Movie (ImageReady)
BMP
Photoshop EPS
Photoshop DCS 1.0 and 2.0 (Photoshop)
Cineon
Filmstrip
GIF
IFF
JPEG
JPEG 2000 (Photoshop optional plug-in)
Large Document Format (PSB)
PCX
PDF
PICT File
PICT Resource
Pixar
PNG
QuickTime Movie (ImageReady)
Photoshop Raw (Photoshop)
Scitex CT (Photoshop)
SWF (ImageReady)
Targa
TIFF

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