If you want to make a template for an address label in Microsoft Excel, you can. It’s really using the wrong tool. You should be using Microsoft Excel as a pseudo database to merge with a Microsoft Word Primary document to create a printable secondary merge document. It’s kind of odd that someone would want to print labels directly from Excel. I mean really, who has Excel, and doesn’t have a copy of Word? Well, it’s definitely doable.
Microsoft makes a template for the Avery 5160 which is the same as the ML-3000.
Microsoft has their own version here: