Here is a checklist to check if your CSV file looks correct. Only need to answer the following two checks with yes.
The first row is only mandatory when the import template has the setting use "Use column headers as configuration" enabled. However having the first row in the CSV file helps knowing what data is in the file.
TIP: always use column headers
The column headers must exist in the availablefields list and have the exact same name. It is not possible to use any other name as this will result in the message "Unsupported fields found".
When using the fields assigned to the template as configuration, then the column header names are not important. Make sure when you use this to enable "skip first line" otherwise your column header row will be imported like a product.
Ever row after the first row contains the data to be imported. This data must be formatted according to the usage described for each field in the availablefields list.
Important is to use the correct delimiters. The data must be separated with the same delimiters as specified in the template settings. This is explained in detail in the article How to CSVI?.
If your CSV file does not look like this in a spreadsheet program, you will most likely have troubles importing.
|prodsku1||Great product 1||Hardware/Great products||This is the first great product||10.50|
|prodsku2||Great product 2||Hardware/Great products||This is the second great product||18.29|
|prodsku3||Great product 3||Software/Great products||This is the third great product||58.47|