Quick links to procedures on this page:
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You can optimize PDF files for different versions of Adobe Acrobat or Acrobat Reader by choosing a compatibility option that matches the type of viewer used by the recipients of the PDF file. In CorelDRAW, you can select one of the following compatibility options: Acrobat 4.0, Acrobat 5.0, Acrobat 6.0, Acrobat 8.0, PDF/X-1a, PDF/X-3, or PDF/A-1b.The available controls differ, depending on which compatibility option you choose. If you are publishing a PDF file for a wide distribution, it is better to choose an earlier compatibility option such as Acrobat 5.0 or 6.0 to ensure that the file can be viewed in earlier versions of Acrobat. However, if security is a concern, you may want to choose a later version because the encryption levels are higher. For example, if you save to Adobe Reader version 6, or lower, it has standard encoding, version 8 has 128-bit encoding, and version 9 has 256-bit encoding. For more information, see Setting security options for PDF files.
You can optimize the viewing of a PDF document on the Web to speed up the loading time of the PDF.
If you added complex fills to the document, you can choose to convert them to bitmaps, which is also known as rasterizing. This may increase the PDF file size, but it will ensure that the complex fills display correctly.
| To select a compatibility option | |
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Click File  Export.
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Choose PDF - Adobe Portable Document Format from the Save as type list
box.
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Locate the folder in which you want to save the file.
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Type a filename in the File name box.
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Click Export.
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The PDF settings dialog box appears. |
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Click the General tab.
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From the Compatibility list box, choose a compatibility option.
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To preserve layers and layer properties in the published PDF file, you must
choose the Acrobat 6.0, Acrobat 8.0, or Acrobat 9.0 option. Note that master
layers will not be preserved.
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To preserve transparencies in the published PDF file, you must choose the
Acrobat 5.0, Acrobat 6.0, Acrobat 8.0 option, or Acrobat 9.0.
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| To optimize a PDF file for viewing on the Web | |
1 |
Click File Export.
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2 |
Choose PDF - Adobe Portable Document Format from the Save as type list
box.
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3 |
Locate the folder in which you want to save the file.
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4 |
Type a filename in the File name box.
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5 |
Click Export.
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The PDF settings dialog box appears. |
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Click the Document tab.
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Enable the Optimize for fast web view check box.
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| To convert complex fills to bitmaps | |
1 |
Click File Export.
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2 |
Choose PDF - Adobe Portable Document Format from the Save as type list
box.
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3 |
Locate the folder in which you want to save the file.
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4 |
Type a filename in the File name box.
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5 |
Click Export.
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The PDF settings dialog box appears. |
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Click the Objects tab.
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Enable the Render complex fills as bitmaps check box.
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