Log in to your Bibox account.
Navigate to the Trade History page. Click Export button.
Export 12 files (one per month) for each year of trading with the following date ranges for each year of trading and click Export.
If you have transactions before 2019 and cannot find them, try contacting Bibox customer support for help.
Navigate to the Bibox tab on CryptoTrader.Tax and drag the .xlsx file you just downloaded into the blue box.