To copy and paste an entire file or any content from the document. There are many ways. Either you can use a mouse or keyboard for it. It also depends on what purpose you need to do, copy and paste. Either you want to copy a file, or you want to copy some content from a document
Method 1 : To copy and paste a File via Mouse or Keyboard
If you want to copy a file with a mouse, You need to right-click on it select copy and then right-click at the desired location and paste the document.