Configuration / Settings / Stores / Magento Admin

Decrease Stock When Order is Placed		Use system value
Set Items' Status to be In Stock When Order is Cancelled		Use system value
Display Out of Stock Products	Products will still be shown by direct product URLs.	Use system value
Only X left Threshold		Use system value
Display Products Availability in Stock on Storefront		Use system value
Enable Inventory Check On Cart Load	Disabling inventory check skips pre validation of cart item data.	Use system value

Please note that these settings apply to individual items in the cart, not to the entire cart.

Manage Stock

Changing can take some time due to processing whole catalog.

Use system value

Backorders

Changing can take some time due to processing whole catalog.

Use system value

Maximum Qty Allowed in Shopping Cart

Use system value

Out-of-Stock Threshold

Use system value

Minimum Qty Allowed in Shopping Cart

Customer Group	Minimum Qty	Action

Use system value

Notify for Quantity Below

Use system value

Enable Qty Increments

Use system value

Qty Increments

Use system value

Automatically Return Credit Memo Item to Stock

Use system value