![]() It’s named Windows Backup, but, alas, that name is a little misleading, as is Microsoft’s claim that it’s “a one-stop backup solution.” This tool can back up files and folders, apps and settings, and stored credentials, but it can’t perform an image backup or restore same on a Windows PC. Microsoft has recently introduced a new backup app to both Windows 10 and Windows 11. Built-in Windows backup utilities are inadequate for image backups ISO image format (a CD- or DVD-oriented disk image format based on the ISO-9660 standard, which Microsoft uses to distribute images of the Windows installation environment) contains an exact duplicate of a disk image, including data saved in files on that disk, as well as file system information and related metadata. ![]() Disk image files are often stored using special binary formats. ![]() To create an image, special software is used to build a single file (or collection of files) that represent the whole disk or its constituent partitions. Given the right software (I’ll show a demonstration later on in this story), you can explore an image just as if it were a standalone file system. Indeed, all partitions on a physical disk will be captured in the resulting image file. describes a disk image as “a file that contains an exact copy of a disk’s contents” that “replicates all of the data from the source disk, including folder structure and hidden metadata.” Making an image backup involves making a snapshot of the contents of each partition on one drive and storing those contents within an image copy for each partition on another drive. And when an image backup is restored, the previous contents of the drive are overwritten, as the image for each partition is written to the target drive afresh and anew. When you make an image backup, all the bits and bytes for each partition are captured. (Please note: I use the excellent, no-cost MiniTool Partition Wizard Free instead of Windows’ built-in Disk Management tool because Partition Wizard shows the Microsoft Reserved, or MSR, partition along with other partitions on the C: drive in Figure 1 it occupies 16MB in position 2.) Ed Tittel / IDGįigure 1: The default Windows 10 and 11 disk layout includes 4 partitions: (1) EFI, (2) MSR, (3) Windows OS, and (4) Windows Recovery Environment (WinRE). If you look at the disk layout for a typical C: drive, you’ll see that it usually includes four or more partitions, as shown in Figure 1. Image backups are sometimes called system image backups, whole-system backups, full system backups, or other variations on that theme. In other words, it’s an exact copy (“image”) of the drive - operating system, data files, settings, and all - not just the files stored on it. Simply put, an image backup is a snapshot of the complete contents of all partitions on a computer’s C: drive.
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