I want data from 12 sheets to be transferred to a [Closed]

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Registration date
Wednesday August 22, 2018
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Last seen
August 22, 2018
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I want to great a master sheet out of 12 sheets. I am having a hard time doing this. Can I get your assistance? I ran various Macros already and can't get it to work.

Basically I want each teammate to have their sheets, yet I want a master that would have all the updates at once.