How to update products in Bitrix?

Question

1C-Bitrix

In general, the essence is this, every day the supplier updates the availability of goods in the warehouse and provides information in excel, in the form of two columns 1. Article 2. N (or Y
)
I thought that it would be determined by the article, but it was not there))
What would you advise?

Answer 1

As an option: save the csv-file in some folder of the site and write a php-script that will read this file, search for products by article and set or remove the activity of products.