In the target Sakai site, select the Resources tool from the Tool Menu.
Select Actions, then choose Compress to Zip Archive.
To the right of the folder to be compressed:
Select the Actions dropdown menu.
Then, choose Compress to ZIP Archive.
Zip file displays.
The zip file contains a copy of all of the subfolders and files inside the selected folder.
Note: The zip file is named the same as the Resource folder that was compressed. By default, the zip file is placed inside of the root folder of the site.