Remember: if you are importing a .csv file then select "Comma" from the dropdown on the right hand side (above "Fields Separated By").
- True/False are case sensitive. The import won't work if you use true/false or TRUE/FALSE.
- When importing products make sure you specify a product number for each product otherwise the import won't work.
Here's a template of a valid product import file (these files can be opened in excel):