If sharing options and Markup are missing after you install OS X Yosemite - Apple Support

http://support.apple.com/en-us/HT203129

If sharing options and Markup are missing after you install OS X Yosemite

If Share button options (Email This Page, Facebook, etc.) or the Markup feature are missing after you install OS X Yosemite, follow the instructions below.

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Last Modified: Nov 8, 2014