How to Use D Drive on Windows 10 When C Drive Is Full - MiniTool (2024)

You can learn how to use D drive on Windows 10 and how to extend C drive without losing data when C drive is full in Windows 10. For more computer tips and tricks, you can go to MiniTool Software official website where you can also find some useful computer software incl. MiniTool Power Data Recovery, MiniTool Partition Wizard, MiniTool ShadowMaker, MiniTool Video Converter, and more.

C drive is full while D drive is empty? How to use D drive when C drive is full in Windows 10? This post teaches you how to use D drive, how to extend D drive without losing data, how to partition a hard drive, etc. Check the detailed guides below.

How to Use D Drive when C Drive Is Full on Windows 10

Generally, your Windows computer has a C drive. It stores all the system files and some programs and personal files. If you put many other programs or files into C drive, your PC will run slowly or crash frequently.

Therefore, it’s advised that you do not install other third-party programs in the C drive, otherwise, the C drive may get full quickly and your system will run slower and slower. You can also move some files and programs to D drive or other empty drives on your Windows 10 computer.

Still, if the D drive doesn’t store any necessary files, you can delete them or copy them to another drive, and follow the guide below to extend the C drive.

How to Extend C Drive without Losing Data on Windows 10

MiniTool Partition Wizard is a top free disk partition manager for Windows. It provides many professional disk management features to help you manage your hard disk from all aspects.

You can use it to extend C drive without data loss, resize existing partitions, create new partitions on your disk, delete/format/wipe partition, check and fix disk errors, convert partition/disk format, test hard drive speed, analyze disk usage space, etc. Check how to use this program to extend the C drive below.

1. Launch MiniTool Partition Wizard to enter its main UI.
2. If there is unallocated space adjacent to the C drive, you can click Move/Resize Partition in the left panel, and drag the arrow to occupy the unallocated space to extend the C drive. It’s advised you tick the Using Enhanced Data Protecting Mode After that, click Apply.
3. If there is no unallocated space adjacent to the C drive, you can select C drive and click Extend Partition option in the left panel. Choose where you want to take free space from to extend C drive. You can choose D drive or another drive with large free space or choose the unallocated space. Then you can drag the slider to decide how much space you want to take. Click OK and click Apply.

How to Partition a Hard Drive for Free on Windows 10

Each hard drive has at least one partition, but you can create more partitions on a single drive by using a professional disk partition manager like MiniTool Partition Wizard introduced above to better manage your data and files.

On the main interface of MiniTool Partition Wizard, you can click the unallocated space on the disk and select Create Partition in the left panel. Then you can choose a file system, partition size, etc. to create a new partition on the disk.

Bottom Line

It’s safer to store your personal files on another partition like the D drive instead of the system partition. The files that you put on the desktop or store in the C drive should better also have a backup. This can avoid data loss if your operating system is crashed.

If unfortunately, data loss happens, you can use MiniTool Power Data Recovery – a professional data recovery program for Windows – to recover data when PC won’t boot by using its bootable media builder. You can use this data recovery software to recover any deleted/lost files, photos, videos, etc. from a PC or laptop, USB flash drive, memory card, external hard drive, SSD, etc. with ease.