You can upload documents to the remote server using the WebUI in multiple ways. You can upload as many files or folders at a time as you like by holding ctrl (cmd on a Mac) while you select files.
Click the button shaped like a cloud with an up-pointing green arrow at the top of the WebUI. This will open a dialogue to allow you to choose a file or folder to upload.
Drag and drop files or folders by clicking them on your desktop, Explorer, or Finder, and dragging them into the browser WebUi. You can select multiple files and folders at a time by holding ctrl while you click.
Upload and Organize
From the WebUI, you can reorganize your files and folders for your convenience. You can create and delete files and folders, move files to different places in the WebUI window or into different folders. You can also move folders into other folders.
There are two ways to move files:
Upload a file by dragging it from its home directory on your computer to the browser.
Reorganize by clicking a file or folder, holding the left mouse button, and moving the file to its destination.