To import multiple files:
From Explore, navigate to the folder in which you want the files to reside.
Select the files you want to import.
Browse for the first file. Click >> (right-facing arrows) to add the file to the list. To delete files from the list, select the file and click << (left-facing arrows).
Optional: Enter a description, and click Finish to complete the import without specifying any advanced options, or click Next to set advanced properties. If you select Finish, skip the following steps.
For information, search on “Advanced Properties” for All products.
For information on setting Permissions, search on “Advanced Permissions” for All Products.