EXMO doesn't currently allow you to export trading history from their website, so you will need to open up a support ticket requesting your full trading history.
Open up the support ticket here and click on CREATE A TICKET
Fill out the support ticket.
Need Trading History
Trade orders related questions
I am currently trying to complete my taxes and need a spreadsheet detailing my full trading history on my account.
Submit your support request and wait for their team to give you the Trade Operations excel file.
Navigate to the EXMO tab inside of CryptoTrader.Tax and upload the trade history file you received from their support team.