1. Install Canary Mail on Windows device and set up everything in it.
2. Take a screenshot of the QR Code on Windows device via Canary Mail > Preferences > General > Cloud Sync > Toggle ON ‘Sync across devices’. Send it to your macOS device.
3. Then install and open Canary on macOS device, click on ‘Continue’, and choose “Restore > Restore Settings via QR Code”.
4. Now, drag & drop that image onto the QR Code import screen.
2. Take a screenshot of the QR Code on Windows device via Canary Mail > Preferences > General > Cloud Sync > Toggle ON ‘Sync across devices’. Send it to another Windows device.
3. Then install and open Canary on other Windows device, click on ‘Continue’, and choose “Restore > Restore Settings via QR Code”.