I have a POS program that allows me to import stock items from a csv file. The problem is that it only accepts a certain csv format.
I have a Excel spreadsheet that saves my stock in different columns with applicable column headings. Even if I save that as a csv file the POS program can not import it as such. I would like to know how to convert following Excel spreadsheet (5 columns):

to (1 column):

TEXTJOINcan be useful, sometimes. Can you show how to use it to answer this question? … … … … … … … … … … … … … … Please do not respond in comments; [edit] your answer to make it clearer and more complete. – G-Man Says 'Reinstate Monica' May 22 '20 at 10:26