There is some import / export functionality in Prestashop isn't there? - alternatively there are various modules free and paid that you can use for these tasks, like these: https://addons.prestashop.com/en/fast-mass-updates/45498-quickupdate-pro-the-expert-multitool-for-prestashop.html
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There is some import / export functionality in Prestashop isn't there? - alternatively there are various modules free and paid that you can use for these tasks