Check for Duplicates Across Boards

It would be awesome if when I uploaded a set of leads into a new board, there was a way to check across Monday.com if it recognizes any of those emails/names anywhere else so someone on my team doesn’t contact someone I’m already speaking with.

Hello @Unicycle,
Welcome to the community.
You can currently do that using the Duplicates and Uniques app.
Here is a demo of how to identify duplicates across boards.

I understand, Alfred. But, I do not want to have to pay extra money for something on a CRM that the CRM should already implement.