Nothing is uploaded. These files are read by your own browser and never sent anywhere.
Top right of the site, the person icon.

This is the largest file, it may take a few minutes to process.

Deposits, withdrawals, rewards and other transactions are four separate exports. The same Export as CSV button is on each.

Order does not matter, do not alter the names. You can choose to upload or withhold any of these files, if desired.

Payments from these accounts are counted as rewards for being under the code rather than as ordinary tips.
Counterparties in your export that are not on the list. Click one to add it. Ordered by how much they sent you.
Loading a file of a kind already read replaces it.