1. Download the template from OneCart
    Go to OneCart Inventory > Add Inventory > Bulk Upload
    Click on the "Download template" button

  2. Use the template to update quantity. Essentially, when you do a bulk upload you only need 3 columns
    Product Code
    Variant SKU
    Field you want to update (in this case qty)

    It should look something like the image here;


  3. Do a "Bulk Upload" with the file that you have just edited and saved. Save it as .csv! 

  4. Repeat the steps as per in the article here with the file you have saved - https://help.getonecart.com/help/bulk-upload-excel-create-edit-inventory

Points to note;