In Mahara, there are a couple of simple ways to upload more than one file to your portfolio at a time. This is a great time saver, especially if you have lots of files to add to your portfolio in one go.
The first approach is one that some of you may be familiar with. When you come to browse your computer's filesystem, simply hold down Ctrl (or Command for Mac users) and click on all of the individual files that you would like to upload. You should see them all highlighted. When you are happy with your selection, you can go ahead and upload them.
You can also use a compressed file
(zip, tar) to upload more than one file at once. You can put all the files you want to upload together in one folder, zip it up and then ...