Extra luggage drop-off in Dubai by Emirates during layover [duplicate]

When I purchase flight ticket in same agency and with Emirates/code share (for example JFK-DXB-PVG) and clear customs & immigration during the layover, can I drop off extra luggage in Dubai to final destination (DXB- PVG), if:

I have not dropped off luggage before?
My free luggage allowance (Number & Weight) has not used up?
I have already used all free luggage allowance and wish to purchase extra luggage allowance in layover cities counter?

PS: Please not that a possible duplicate of Checking In Luggage During Intermediate Leg is talking about United, not Emirates.

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Can I drop my luggage before check-in Emirates Airlines?

If you are departing from Dubai, you can drop off your bags 24 hours before departure, or 12 hours before departure if you're flying to the US, and you can collect your boarding pass or download a digital one to use at most airports.

How do I add extra baggage to Emirates?

To buy your extra baggage allowance online, log in to Manage your Booking using your booking reference number. You can check the fees and pay by credit card up to four hours before your flight in the same currency you used to buy your ticket.

Can we go out of airport during layover in Dubai?

Can I leave the airport during a layover in Dubai? The short answer is yes, but there are a few catches, and it will all depend on how long you have between flights. For example, if you've just got a few hours between flights, then it's definitely not worth leaving the airport.

Can I check my luggage through to my final destination Emirates?

Booking your whole journey, including onward flights, with Emirates allows you to arrange your travel on a single ticket and check your baggage through to your final destination.

Emirates Airlines Extra Baggage Allowance 2022 Per Kg Cost Charges | Add Extra Baggage In Emirates

Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

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