If you are using the Upload Folders feature, you must have Java installed on your computer. Note: Chrome uses HTML5 instead of Java for Upload Folders. Recommended Operating Systems: Windows 10, 8, or 7. Mac 0S X 10.6 or higher.
Make sure you are uploading files smaller than the maximum for your account type. To determine your maximum, click the arrow next to your name in the upper right-hand corner of your screen and select Account Settings. Then, click on Account and your Max file size will be listed under Account Information.
Within the 'Upload' drop-down menu there are two options: 'Upload Files' or 'Upload Folders' - Try uploading with the 'Upload Files' method instead of 'Upload Folders', or vice versa.
Check your network connection to Box. If connected to the internet with a wireless card, check to see if the connection to the internet drops intermittently. If this is the case, we recommend the Upload Folders method.
Try temporarily disabling or configuring your firewall to allow Box as a trusted site. You may find that your anti-virus software includes a built-in firewall. If you are attempting to access Box from an office setting and experience upload issues, then please contact your IT administrator or internal Help Desk.
Proxy servers may sometimes cause failed uploads. If you see the error message: An error occurred with the upload. Please refresh the page and try again. Please contact your IT department or Help Desk and ask them to check your Java security settings or proxy configuration.