Short answer
Excel works if there are few products, one person does the work and stock moves rarely. You need a system when you sell through several channels, several people work at the same time, or you need reservations, expiry dates or accurate real-time stock levels. The main Excel risk is unnoticed errors and data that doesn’t match reality.
Comparison
| Excel | Inventory system | |
|---|---|---|
| Getting started | Immediately, at no cost | Needs a rollout |
| Multiple users | Version conflicts | Everyone works with the same data |
| Real-time stock | Only if someone updates it | Automatic |
| Link to sales | By hand | Automatic reservation and write-off |
| Error control | Hard to spot | Rules and history |
| Stocktaking | A list on paper | With a phone or scanner |
Signs that Excel is no longer enough
- A customer orders a product that’s “in the spreadsheet” but not in the warehouse.
- Stocktaking shows large, unexplained differences.
- The online store and the shop sell the same product, and stock levels are reconciled by hand.
Making the switch
Your existing spreadsheet can be imported into the system, so you don’t start from scratch. After that the warehouse can be connected to the online store and accounting — see how to connect an online store to inventory and accounting.