Urgent - Simple Microsoft Excel Data Macro

This is a simple job for an excel expert who knows what they are doing.

I have an excel file attached (called 'reporting') , that takes some data on the first tab and then allows me to run a search and gives me totals on the second tab.

I need to replace the data (called 'export') (it seems to be hidden) on the first tab with a new set of data in the same format.

So its very simple but I can't seem to do it :)

I need this back this morning if you are able