Use Keyboard shortcuts (Ctrl+C to Copy and Ctrl+V to Paste) to directly copy-paste wireframes between projects opened in different browser windows.
This functionality works in all major browsers including Google Chrome, Safari, IE Edge, and also the Desktop app. But It does not work in Mozilla Firefox both in Windows and Mac due to browser limitations.
STEPS: On how to copy paste data from one wireframe project to another
1Open "Wireframe Project A" in browser 1 Window/tab.
2Open "Wireframe Project B" In the browser 2 window/tab.
3In "Project A", select the components or select all and Copy using the Keyboard shortcut (Ctrl+C or Cmd+C).
4Now go to the "Project B" window and click anywhere inside the page to enable shortcuts.
5Paste the copied data onto the page using the Keyboard shortcut (Ctrl+V or Cmd+V).