Upload a file to a folder in Box from AT&T web portal
1. Navigate to the desired folder, and click the Upload button at the top right.
2. Click Files in the drop-down menu.
3. Navigate to, and click on the file you wish to upload.
4. Click on the Open button.
Note: To select multiple files, hold down the Ctrl key on your keyboard and select the files.
5. A confirmation displays.