I am unable to find the FeatureLockDown file in Yosemite 10.10.5. The file is not in Applications/Adobe Acrobat - show package contents - Contents MacOS Preferences - as suggested by the official acrobate site (please, click to see it). Likewise, it is neither in /Library/Application Support/Adobe/Reader/DC/Preferences - as suggested by some users on the internet (please, see and ) Does anybody know where to find the file in order to allow acrobat reader to open.zip files as attachment in pdf? Thank you for your help!
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