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Managing Carriers
You must have carriers added to your PrestaShop installation – that is, a clear indicator of who will deliver your products. It might be just yourself or your shop (for instance if you are selling downloadable products, or only work locally), but as soon as you are actually sending packages using stamps and a 3rd-party delivery such as your local postal service, or FedEx, UPS and such, then you must have their details added to your shop's database. This will enable your customers to better choose which carrier to use, based on their delivery ranges, fees and dates.
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