Please use the huobi_all_history_in_tabs.xlsx file to import the data. You can get the file from their Huobi website or ask their support.
Please take a look at the screenshot below. You will need the Exchange and Transfer tabs. Please separate those tabs into two different files.
Upload the Exchange file on the Custom Exchange Import page, and import the data with the following settings.
You can also save those settings for later use.
For the Transfer file, please use the following setting:
The setting for the old version: