1) Find (one of) your Trezor address (-es). Open this menu on your computer: ![](https://doc.satoshilabs.com/trezor-user/_images/checkaddress-comp.png) You can read the details here: https://doc.satoshilabs.com/trezor-user/receivingpayments.html 2) Open CoPay wallet, press "Scan" at the bottom. Scan the QR code shown on your computer. [![enter image description here][1]][1] [1]: https://i.sstatic.net/83voK.png 3) Choose "Send payment to this address" It should be easy from now on.