When You install Magic Backup, you will see "Star" indicators added to the icons on your desktop and inside of Windows Explorer. 

The color of these stars indicates the backup status of this file or folder.

This file or folder is backed up.

This file or folder is awaiting backup

There was an error backing up this file.
 

The Magic Backup Control Center also displays a simple-to-use list of all of your backed up files and each file's backup status.

Magic Backup Client List of All Files Backed Up

You can filter the list of files by typing any part of a file name in the search box.  This will display only the files whose name contains the partial name that you typed.