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Note: Click "Notify People "option in case if you want people to get notification by email.
Sharing dataset to people by email ids
- To share dataset to others by email, use the option Invite people via e-mail like shown below.
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and click Apply (as shown below). 
Dataset view & options by different access level of sharing
Based on the access level provided at the time of sharing, users can see different set of menu within that particular dataset. Below screen shot will give an idea of what users sees with different access level.
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