Thread: PRS-350 pdf
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Old 10-24-2010, 05:55 PM   #11
jswinden
Nameless Being
 
One way to check for DRM is to open the file in Adobe Acrobat Reader and select the File-->Properties... menu item. This opens the Document Properties dialog box. Click the Security tab which displays a list of security settings for the document.

Another way is to use calibre to attempt to convert it. If it cannot convert due to DRM it will give you an error message to that effect.

Here is an example of a protected PDF.

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Last edited by jswinden; 10-24-2010 at 05:59 PM.
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