How to Import Export Products CSV in Magento 2
Magento 2 is one of the best ecommerce platforms widely used for large stores. Importing and Exporting products using CSV can save time.
Go to System --> Import and Download the sample CSV file. By default, CSV has 4 sample products. You can add your own products in the CSV but make sure that you follow the same format as given in the file. Then just uplaod the file from the Magento Admin panel.
Go to System --> Export and then export the file from your store and then upload it to another store in which you want to migrate products data.
Here's a full guide on it: Magento 2 Export Products CSV