If you are wanting to edit a single file you will need to use the Edit Modal.
There are two ways to do this:
Now click on the file you want to edit and go to the asset detail page.
On the right click the Edit button here is how you get to the Edit modal which will popover the page.
2. Logged as admin on the portal site not the(admin interface). Navigate to where the assets you want to edit are. Now select the file you want to edit and go to it’s detail page. You can click the Edit button to trigger the Edit modal which will popover the page.
Please get intouch if you are doing a bulk upload and we can help set you up.