How to extract Preview's signatures for use in other applications - CNET

Apple's Preview program in OS X is great for capturing signatures, but by default these can only be used with Preview; however, there is a workaround to extract and them for use elsewhere.

Is there an app or other easy way to verify signatures? - Quora

Unable to create a new electronic signature in Preview - Ask Different

Preview Survey

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How to Add Signatures to PDFs Using Preview on a Mac

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Preview User Guide for Mac - Apple Support

How to use Preview in OS X Lion to digitally sign documents - CNET

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