Portable: Diskgenius Professional

You can add the DiskGenius executable to a WinPE bootable USB . If Windows fails to start, you can boot from the USB and use DiskGenius to repair the MBR or backup your files before a format.

Running the portable version does not strip any features. You get the full Professional suite: diskgenius professional portable

The software provides extensive disk and partition management tools. It allows you to create, delete, format, hide, and resize partitions on MBR and GPT disks. You can also convert between MBR and GPT partition table formats, convert dynamic disks to basic disks, and rebuild the Master Boot Record (MBR). For specialized tasks, it supports creating and opening virtual disk files and converting USB drives to bootable formats. You can add the DiskGenius executable to a