Copy a partition to another disk in Windows 10 without data loss?

Macrium Reflect is a trusted and reliable disk imaging tool that allows you to copy an entire partition from one disk to another in Windows 10, ensuring no data loss by creating a precise, sector-by-sector replica, which is ideal for upgrading to a larger hard drive or SSD or for creating a complete backup of a specific drive section.

How to copy a partition to another disk without data loss

1. Get the free edition from Macrium's official site and install it.

2. Open Macrium Reflect. In the main window, check the box next to the partition you wish to copy on your source disk.

3. Click "Clone this disk..." just below the selected partition.

4. In the next window, under "Destination," select the target disk (the empty or larger disk) where you want the partition copied.

5. In the destination disk's layout diagram, drag the partition(s) you are cloning from the source panel at the top into the "Unallocated space" section below. You can extend the partition to fill the new disk here if desired.

6. Click "Next," review the operation summary, schedule it (or leave it for "Now"), and click "Finish." Finally, confirm by clicking "OK" to start the cloning process, which will run in a separate window.

Using Macrium partition disk tool to copy a partition to another disk is a straightforward, non-destructive process that perfectly transfers all data to a new disk. Crucially, the operation only affects the destination disk you select, leaving your original source disk and all its other data completely untouched and safe. After completing the clone, you may need to change the boot order in your BIOS/UEFI to start from the new disk.