What are the file types supported for data import?

.xls, .xlsx and .csv

Next to typing or pasting data straight into the datasheets, data can also be uploaded/imported as files. Supported import file types are .csv and the Excel formats .xls  and .xlsx.

.xls  and .xlsx can contain multiple data sheets, which will all be loaded if not empty.

.csv files can only contain one datasheet. 

See more info on how the import data here.