If Clipboard copy is not working in Phone Link app, you need to enable Cross-device copy and paste, and if that doesn't work, follow these solutions.

Can anyone tell me why I suddenly can't seem to use copy and paste in Win XP Pro? Its behavior is very erratic: sometimes I can copy and paste just fine; sometimes it pastes something old instead ...

Learn how to disable or enable Copy and Paste with Application Guard for Edge in Windows 11/10 using Settings or Registry Editor.