Online Backup Account ID and Where To Find It
The Account ID is a unique number assigned to your account and your computer. To locate your Account ID:
Click the Microsoft Windows Start button and select All Programs > Online Backup > Online Backup.
Your Account ID is located on the left of the window and is labeled "Account ID."
You can also locate the account ID by right-clicking the Online Backup icon in the Windows System Tray and selecting About Online Backup.