Best Backorder Management Software (2026)

It's software (usually a feature within inventory or order management systems) that handles orders placed for items currently out of stock. Instead of rejecting the order or losing the sale, the system records it as a backorder, tracks expected restock dates from purchase orders already placed with suppliers, and automatically allocates and fulfils backordered items in the correct order once new stock arrives. Customers are typically kept updated automatically about expected timelines, reducing support queries and cancellations.

• Automatic backorder flagging – convert an out-of-stock order into a tracked backorder, not a lost sale
• Restock date linking – pull expected arrival dates from existing purchase orders automatically
• Fulfilment priority rules – decide whether backorders are filled first-come-first-served or by customer tier
• Customer notification automation – auto-update customers on status and expected timeline
• Partial fulfilment support – ship what's available now, backorder the remainder cleanly
• Backorder ageing reports – flag orders that have been waiting too long, before customers complain
• Cancellation and refund workflow – handle a customer who no longer wants to wait
• Integration with purchasing/inventory – so restock triggers automatic backorder release

Ask how the system decides fulfilment order when new stock is limited and multiple backorders exist for the same item, since a first-come-first-served rule isn't always what a business wants, especially with priority customers. Check whether customer communication is genuinely automatic or requires manual updates, since backorder customer service issues usually come from silence, not the wait itself. Confirm the tool supports partial fulfilment, shipping available items immediately while keeping the rest on backorder, rather than holding the entire order hostage to the one missing item.

Ask the vendor to walk through the full flow: an order comes in for an out-of-stock item, a purchase order gets placed with an expected date, stock arrives, and the backorder is released, ideally showing customer notifications at each stage. Check the fulfilment priority logic and whether it's configurable. Ask specifically how partial fulfilment and cancellations are handled, and confirm integration with your existing inventory and purchasing workflow.