Transfering Permission from one user to another

Hi All, I'm trying to archive some old projects that I have been working on with another user. I edited some and he edited some and now I need to access his files and projects. I am being denied access from my account, so I am having to ping-pong back and forth between accounts. Is there a way to grant me access without going to each clip and sequence and changing from "read only" to "read, write"? Thanx Barry

I think this question got lost in the middle of all the others out there. I am still looking for an answer and wonder if I have worded it in a confusing manner. Thanx Barry

you could go to the enclosing folder for all these files and set the privileges there, then click on the gear sprocket below the Sharing and Permissions pane and choose "Apply to enclosed items" from the popup menu
or you could log in as root (super user) if you have access to those kind of privileges