TechNote

JPEG not available in Save As format menu (Photoshop CS2, CS3)

Issue

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When you choose File > Save As in Adobe Photoshop CS2 or CS3, JPEG is not an available format.

Reason

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Any of the following are true of the image you are trying to save:

• Its bit depth is 16 or 32 bits per channel.
• Its color mode is bitmap, duotone, indexed, Lab, or Multichannel.
• Its width or height exceeds 30,000 pixels.
• Its file size is greater than 2 GB.

Solution

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Do one or more of the following solutions:

Solution 1: Change the image bit depth to 8 bits per channel.

1. Choose Image > Mode > 8 Bits/Channel.
2. Choose File > Save As, and save the image as a JPEG file.

Solution 2: Change the image color mode to RGB, grayscale, or CMYK.

1. Do one of the following:
   
   
   • Choose Image > Mode > RBG Color
   • Choose Image > Mode > Grayscale.
   • Choose Image > Mode > CMYK.
     
2. Choose File > Save As, and save the image as a JPEG file.

Solution 3: Resize the image to within 30,000 by 30,000 pixels, or so that its size is less than 2 GB.

1. Resize the image so that neither its width nor height exceeds 30,000 pixels, or the file size is less than 2 GB. For instructions on resizing an image, see Change Pixel Dimensions of an Image in Photoshop CS3 Help.
2. Choose File > Save As, and save the image as a JPEG file.

Additional Information

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The JPEG file format is limited to 8 bits per channel and a 2 GB file size.

Photoshop CS2 and CS3 limit JPEG files to 30,000 by 30,000 pixels.

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