Click Resources in the header.
Click the down-facing arrow in the left column and select Import.
Choose the option to import a Common Cartridge (IMSCC) file as a new collection. Name the Collection and click Next.
Attach the .imscc file from your computer or device and click Next.
Depending on the file size your upload may take some time.
When complete, click Next At this point, you can select what items you want to import. Most likely, you will want to Select All and click Skip & Import.
You will find all of your imported resources in your personal collection