While using the Drag, Drop & Upload Files to Amazon S3 app, you will need the Cloud Documents tab to view all the migrated files and attachment details in a single screen.
To create the Cloud Documents tab, follow these steps:
1. Go to the Setup.
2. Search "Tabs" in the quick find box and open it.
3. In the Custom Object Tabs Click on the "New" Button.
4. From the Object drop-down, select Cloud Documents. Then, choose any desired Tab Style and proceed.
5. Now click on the "Next" button.
6. Again click on "Next" Now select the custom app name and then Save it
7. Go to the Drag, Drop & Upload Files to Amazon S3 app. You will be able to see the Cloud Documents tab there.