Fulfillment Lexicon

Preorder

Preorder is an order taken for a product before it is available, usually ahead of a launch.

Topic: Inventory Planning Entry INV-203

Why it matters for ecommerce brands

Useful for demand testing. The FTC Mail Order Rule requires sellers to ship within the stated time or notify buyers and offer a refund.

Common questions

What is the difference between a preorder and a backorder?
A preorder is for a product that has not yet been released or received for the first time. A backorder is for an existing product that is temporarily out of stock.

Cite this entry

"Preorder." Fulfillment Lexicon, last reviewed October 16, 2026. https://fulfillment.wiki/glossary/preorder/

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