You can complete a stock take to update stock levels per location or if you just started using Inventory tracking and would like a fresh start, you can do stock take to zero out all stocks.
1. Export Supplies list by going to Inventory → Supplies → Import/Export → Export Supplies.
...
5. Copy the Part Number and/or description from supplies list and paste into stocktake template and set quantities to zero but if you are updating stock levels, simply put the actual updated quantities.
Save the file as you will use it for the import process in the next step.
...
7. After completing the stocktake, this should revert update all stock on hand at the stock take location to 0.
or revert stocks to zero if you indicated zero quantities in the template.
Repeat the above process for other locations if applicable.
...