As a tech worker, I often read documents in PDF formats, and Preview often recognize the numerical parameter sets in those documents as "phone contacts".

How do I prevent Preview from doing so, so that it'll be less likely to butt-dial random people that I don't know?

1 Answer 1


It would be useful if you could clarify whether you're using a mobile (iOS) device or macOS.

On macOS, there would be a preference that could change this. It is working in applications like TextEdit but as of yet not in Preview.

defaults write com.apple.TextEdit "DataDetectors" '0'

What you could do for now is either use a different PDF Reader or disable FaceTime on your macOS.

I have the same issue with Preview and submitted Feedback to Apple.

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