Fairly simple problem but pretty annoying, say I receive some key by email to paste in a software to unlock it.

If I copy the key from the email then close Mail immediately, and try to paste, it doesn't work.

Basically, I have to keep Mail open for the paste operation to succeed.

Even more puzzling, if I open the clipboard with Windows+V, I can see that the key is in the clipboard, but Ctrl+V never works.

Is there any way to fix this annoying behavior?

  • 1
    This seems to be pretty common behavior by modern systems and apps. Office programs on Windows will prompt when you close them if you've copied a lot of data from them. I do not know why this is the case, but I'd guess it is to support pasting metadata like style information and the like based on where you're pasting to. And I don't know how to change this behavior except to use an intermediary utility that runs continually in the background to handle the hand off. Jan 6, 2023 at 4:58
  • 1
    Try googling for a clipboard replacement. There are many out there and they have more functionality than the default Windows Clipboard.
    – Keltari
    Jan 6, 2023 at 5:37
  • Alright, thanks guys!
    – aybe
    Jan 6, 2023 at 7:32
  • sometimes the CTRL + C & CTRL + V doesn't work, and you have to right click and copy/paste the file. See if that works. It works for me and it is very handy for me. Although theres no fix for the CTRL method, check out techpp.com/2022/02/10/best-clipboard-managers-for-windows for some (third party) clipboard managers.
    – tabby.sl
    Jan 6, 2023 at 12:33


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