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Wednesday, April 1, 2015

Saving files in Photoshop Raw format (Photoshop)

    The Photoshop Raw format is a file format for transferring images between applications and computer platforms. For more information about the Photoshop Raw format, see Photoshop Raw (Photoshop).
To save a file in Photoshop Raw format:
  1. Choose File > Save As and choose Photoshop Raw from the Format menu.
  2. In the Photoshop Raw Options dialog box, do the following:
    • (Mac OS) Specify a File Type and File Creator, or accept the default values.
    • Specify a Header parameter.
    • Select whether to save the channels in an interleaved or noninterleaved order. 

Saving files in Photoshop DCS format (Photoshop)

    DCS (Desktop Color Separations) format is a version of EPS that lets you save color separations of CMYK or multichannel files. For more information about the Photoshop DCS format, see Photoshop DCS 1.0 and 2.0 (Photoshop).
To save a file in Photoshop DCS format:
  1. Choose File > Save As and choose Photoshop DCS 1.0 or Photoshop DCS 2.0 from the Format menu.
  2. In the DCS Format dialog box, select the options you want, and click OK.
  3. The dialog box includes all the options available for Photoshop EPS files. For more information, see Saving files in Photoshop EPS format (Photoshop). Additionally, the DCS menu gives you the option of creating a 72-ppi composite file that can be placed in a page layout application or used to proof the image:
    • DCS 1.0 format creates one file for each color channel in the CMYK image. You can also create a fifth file: a grayscale or color composite. To view the composite file, you must keep all five files in the same folder.
    • DCS 2.0 format retains spot-color channels in the image. You can save the color channels as multiple files (as for DCS 1.0) or as a single file. The single-file option saves disk space. You can also include a grayscale or color composite. 

Saving files in Photoshop EPS format (Photoshop)

    Virtually all page layout, word processing, and graphic applications accept imported or placed EPS (Encapsulated PostScript) files. To print EPS files, you should use a PostScript printer. Non-PostScript printers will only print the screen-resolution preview. For more information about the Photoshop EPS format, see Photoshop EPS.
To save a file in Photoshop EPS format:
  1. Choose File > Save As and choose Photoshop EPS from the Format menu.
  2. In the EPS Options dialog box, select the options you want, and click OK:
  3. Preview
    Creates a low-resolution image to view in the destination application. Choose TIFF to share an EPS file between Windows and Mac OS systems. An 8-bit preview delivers better display quality but larger file size than a 1-bit preview.
    Encoding
    Determines the way image data is delivered to a PostScript output device:
    • Choose ASCII or ASCII85 if you're printing from a Windows system, or if you experience printing errors or other difficulties.
    • Binary produces a smaller file and leaves the original data intact. However, some page-layout applications and some commercial print spooling and network printing software may not support binary Photoshop EPS files.
    • JPEG compresses the file by discarding some image data. You can choose the amount of JPEG compression from very little (JPEG Maximum Quality) to a lot (JPEG Low Quality). Files with JPEG encoding can be printed only on Level 2 (or later) PostScript printers and may not separate into individual plates.
    Include Halftone Screen and Include Transfer Function
    Control print specifications for high-end commercial print jobs. Consult your printer before selecting these options.
    Transparent Whites
    Displays white areas as transparent. This option is available only for images in Bitmap mode.
    PostScript Color Management
    Converts file data to the printer's color space. Do not select this option if you plan to place the image into another color-managed document. Doing so may disrupt the color management.
    Note: Only PostScript Level 3 printers support PostScript Color Management for CMYK images. To print a CMYK image using PostScript Color Management on a Level 2 printer, convert the image to Lab mode before saving in EPS format.
    Include Vector Data
    Preserves any vector graphics (such as shapes and type) in the file. However, vector data in EPS and DCS files is only available to other applications; vector data is rasterized if you reopen the file in Photoshop.
    Image Interpolation
    Anti-aliases the printed appearance of a low-resolution image.

Saving files in Photoshop PDF format (Photoshop)

    You can use the Save As command to save RGB, indexed-color, CMYK, grayscale, Bitmap-mode, Lab color, and duotone images in Photoshop PDF format. You can also use the PDF format to save multiple images in a multipage document or slide show presentation. (See Creating a PDF presentation.) Saving in Photoshop PDF format lets you specify security options for restricting access to the PDF document. The new 128-bit RC4 (Acrobat 6) encryption has an option for letting users view metadata and thumbnails in a secure PDF document using the File Browser. For more information about the PDF format including the differences between Photoshop PDF and generic PDF, see PDF.
To save a file in Photoshop PDF format:
  1. Choose File > Save As and choose Photoshop PDF from the Format menu. You can select a Color option if you want to embed a color profile or use the profile specified with the Proof Setup command. Click Save.
  2. In the PDF Options dialog box, select the options you want, and click OK.
  3. Encoding
    Determines the compression method (Zip or JPEG). For more information, see About file compression.
    Note: Bitmap-mode images are automatically encoded using CCITT compression--the PDF Options dialog box does not appear.
    Save Transparency
    Preserves transparency when the file is opened in another application. (Transparency is always preserved when the file is reopened in Photoshop or ImageReady.) This option is not available if the file contains a spot color channel or does not contain transparency.
    Image Interpolation
    Anti-aliases the printed appearance of a low-resolution image.
    Downgrade Color Profile
    If you selected ICC Profile (Windows) or Embed Color Profile (Mac OS) for a version 4 profile in the Save dialog box, this option downgrades the profile to version 2. Select this option if you plan to open the file in an application that does not support version 4 profiles.
    PDF Security
    Specifies security options such as password protection and restricted access to a file's content. Select PDF Security and then click the Security Settings button to open the PDF Security dialog box. Specify the security options that you want and then click OK.
    Include Vector Data
    Preserves any vector graphics (such as shapes and type) as resolution-independent objects, ensuring smoother output. When it is selected, you can select the following options:
    • Embed Fonts ensures that all fonts used in the file are displayed and printed, even on computers that do not have the fonts installed. Bitmap fonts, fonts that don't allow PDF embedding, substitute fonts, type that uses the faux bold style, and warped type cannot be embedded. Selecting Embed Fonts increases the size of the saved file.
    • Use Outlines for Text saves text as paths. Select this option if embedding fonts results in a file that is too large, if you plan to open the file in an application that cannot read PDF files with embedded fonts, or if a font fails to display or print correctly. Text saved as outlines is not searchable or selectable in a PDF viewer. You can, however, edit the text when you reopen the file in Photoshop.
    Note: The PDF viewer may display a substitute font if both Embed Fonts and Use Outlines for Text are deselected.
To specify PDF Security options:
  1. In the PDF Options dialog box, select PDF Security and then click the Security Settings button to open the PDF Security dialog box.
  2. In the PDF Security dialog box, select Password Required to Open Document and specify a Document Open Password to prevent users from opening the document unless they type the password you specify. Passwords are case-sensitive.
  3. Select Password Required to Change Permission and Passwords and specify a Permissions Password to restrict users from printing and editing the file. Users cannot change these security settings unless they type the passwords that you specify. You cannot use the same password used for the Document Open Password. Users are required to enter the Permissions Passwords when opening the PDF file in Photoshop.
  4. Use the Compatibility menu to choose the type of encryption for opening a password-protected document.
  5. 40-bit RC4 (Acrobat 3.x,4.x)
    Specifies a low encryption level.
    128-bit RC4 (Acrobat 5)
    Specifies a high encryption level, but users of Acrobat 3 and Acrobat 4 cannot open PDF documents set with high encryption.
    128-bit RC4 (Acrobat 6)
    Specifies a high encryption level, but users of Acrobat 3, Acrobat 4, and Acrobat 5 cannot open PDF documents set with this encryption. This encryption lets you enable plaintext metadata and thumbnails, an option not available in versions earlier than Acrobat 6.
  6. In the Compatibility area of the PDF Security dialog box, specify the following options:
  7. For 40-bit RC4 (Acrobat 3.x,4.x) encryption:
    No Printing
    Prevents users from printing the document.
    No Changing the Document
    Prevents the user from making any changes to the document, including filling in signature and form fields.
    No Content Copying or Extraction, Disable Accessibility
    Prevents users from selecting and copying contents of the PDF document.
    No Adding or Changing Comments and Form Fields
    Prevents the user from adding or making changes to comments and form fields.
    For 128-bit RC4 (Acrobat 5) or 128-bit RC4 (Acrobat 6) encryption:
    Enable Content Access for the Visually Impaired
    Lets visually impaired users use screen readers to read the document's contents.
    Allow Content Copying and Extraction
    Lets users select and copy the contents of the PDF document. It also lets utilities that need access to the contents of a PDF file, such as Acrobat Catalog, get to those contents.
    No Encryption for Metadata and Thumbnail (Acrobat 6 only)
    Lets metadata and thumbnails in a secure PDF document be viewed in the File Browser. Among the many uses of this feature, you can let clients read information (metadata) and preview images without the need to give them the password for full access to the secure PDF document.
    Changes Allowed
    Define which editing actions are allowed in the PDF document:
    • None prevents the user from making any changes to the document, including filling in signature and form fields.
    • Only Document Assembly lets users insert, delete, and rotate pages, as well as create bookmarks and thumbnail pages.
    • Only Form Field Fill-in or Signing lets users fill in forms and add digital signatures. This option doesn't let users add comments or create form fields.
    • Comment Authorizing, Form Field Fill-in or Signing lets users fill in forms and add digital signatures, and comments.
    • General Editing, Comment and Form Field Authoring lets users change the document using any method listed in the Changes Allowed menu, except remove pages.
    Printing
    Specify the quality of printing for the PDF document:
    • Not Allowed prevents users from printing the document.
    • Low Resolution lets users print the document at no higher than 150-dpi resolution. Printing may be slower because each page is printed as a bitmapped image.
    • Fully Allowed lets users print at any resolution, directing high-quality vector output to PostScript and other printers that support advanced high-quality printing features.
  8. Click OK.

Saving large documents (Photoshop)

    Photoshop supports documents up to 300,000 pixels in either dimension and offers three file formats for saving documents with images greater than 30,000 pixels in either dimension. Keep in mind that most other applications, including older versions of Photoshop, can only support files up to 2 GB in size or images up to 30,000 pixels in either dimension.
To save a document with a file size larger than 2 GB:
    Choose File > Save As and choose one of the following file formats:
    Large Document Format (PSB)
    Supports documents of any pixel size and any file size. All Photoshop features are preserved in PSB files. Currently, PSB files are only supported by Photoshop CS. In Preferences under File Handling, the Enable Large Document Format option must be selected before you can save files in PSB format. For more information about the PSB format, see Large Document Format (PSB).
    Photoshop Raw
    Supports documents of any pixel dimension or file size, but does not support layers. Large documents saved in the Photoshop Raw format are flattened. For more information about the Photoshop Raw format, see Photoshop Raw (Photoshop).
    TIFF
    Supports files up to 4 GB in size. Documents larger than 4 GB cannot be saved in TIFF format. For more information about the TIFF format, see TIFF.
To enable the Large Document Format in Photoshop:
  1. Do one of the following:
    • (Windows) Choose Edit > Preferences > File Handling.
    • (Mac OS) Choose Photoshop > Preferences > File Handling.
  2. Select the Enable Large Document Format (.psb) option.

Setting the file saving options (Photoshop)

    You can set a variety of file saving options in the Save As dialog box. The availability of options depends on the image you are saving and the selected file format. For example, if an image doesn't contain multiple layers, or if the selected file format doesn't support layers, the Layers option is dimmed. For file saving options in ImageReady,
    As a Copy
    Saves a copy of the file while keeping the current file open on your desktop.
    Alpha Channels
    Saves alpha channel information with the image. Disabling this option removes the alpha channels from the saved image.
    Layers
    Preserves all layers in the image. If this option is disabled or unavailable, all visible layers are flattened or merged (depending on the selected format).
    Annotations
    Saves annotations with the image.
    Spot Colors
    Saves spot channel information with the image. Disabling an option removes spot colors from the saved image.
    Use Proof Setup, ICC Profile (Windows), or Embed Color Profile (Mac OS)
    Creates a color-managed document
    Important: The following image preview and file extension options are only available if the Ask When Saving option is chosen for Image Previews and Append File Extension in the File Handling Preferences dialog box.
    Thumbnail (Windows)
    Saves thumbnail data for the file.
    Image Previews options (Mac OS)
    Saves thumbnail data for the file. Thumbnails display in the Open dialog box. You can set these image preview options: Icon to use the preview as a file icon on the desktop, Full Size to save a 72-ppi version for use in applications that can only open low-resolution Photoshop images, Macintosh Thumbnail to display the preview in the Open dialog box, and Windows Thumbnail to save a preview that can display on Windows systems.
    Use Lower Case
    Makes the file extension lowercase.
    File Extension options (Mac OS)
    Specifies the format for file extensions. Select Append to add the format's extension to a filename and Use Lower Case to make the extension lowercase.

Saving files

    You can save a file with its current filename, location, and format or with a different filename, location, format, and options. You can also save a copy of a file while leaving the current file open on your desktop.
To save changes to the current file:
    Choose File > Save.
To save a file with a different name and location:
  1. Choose File > Save As.
  2. Type a filename, and choose a location for the file.
  3. Click Save.
To save a file in a different file format:
  1. Do one of the following:
    • (Photoshop) Choose File > Save As.
    • (ImageReady) Choose File > Export > Original Document.
  2. Do one of the following:
    • In Photoshop, choose a format from the Format menu.
    • In ImageReady, choose from the Save as Type (Windows) or Format (Mac OS) menu.
    Note: In Photoshop, if you choose a format that does not support all features of the document, a warning appears at the bottom of the dialog box. If you see this warning, it is recommended that you save a copy of the file in Photoshop format or in another format that supports all of the image data.
  3. Specify a filename and location.
  4. (Photoshop) In the Save As dialog box, select saving options. For more information, 
  5. Click Save.

About the save commands

    You can use the following commands to save images:
    • Save to save 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 to save an image with a different location or filename. 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) to flatten the layers in a copy of the original image and save the copy in a variety of 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). This command is available for an image that is managed by a Version Cue Workspace. Versioning lets you save different versions of a file and comment on each. For more information, see Working with Adobe Version Cue managed projects.
    Tip iconIf you're working with a file from an Adobe Version Cue project, the document title bar provides additional information about the status of the file. (See Working with Adobe Version Cue managed projects.)
    Note: 16-bit-per-channel images can only be saved 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-bit-per-channel image, Photoshop automatically converts the image from 16-bits per channel to 8-bits per channel.

Saving images

    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. For more information on saving an image for the Web, see About optimization and Optimizing images.
    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). (See Photoshop format (PSD).) Like most file formats, PSD can only support files up to 2 GB in size. In Photoshop, if you are working with documents larger than 2 GB in file size, you can save your image in the new Large Document Format (PSB), Photoshop Raw (flattened image only), and TIFF (up to 4 GB in size only). For more information on saving large documents, see Saving large documents (Photoshop).