How to Extend C Drive in Windows 10 Without Formatting

When you receive a "low disk space" warning, it means your hard drive is running out of space, indicating a need to free up storage space.

When your C drive is full and out of space, it can cause low work efficiency, system instability, and difficulties in downloading and installing new software or using installed programs, ultimately affecting the normal use of your computer.

If you're facing a situation where your system partition is running low on space, don't worry. One way to improve computer performance is to extend the system partition. Qiling Partition Manager offers a simple way to increase the C drive in Windows 10/8/7.

How to Extend C Drive with Qiling Partition Master

Qiling Partition Master is an all-in-one partitioning tool compatible with Windows 10/8.1/8/7/Vista/XP that allows you to extend the C drive with or without unallocated space.

When there is unallocated space on your system disk, you can simply resize C drive to get more space. If there's no unallocated space, you can use a partition manager to increase C drive by taking free space from other partitions.

You can effortlessly manage your hard drive without data loss using Qiling disk management tool, enabling features such as hard drive cloning, disk partitioning, and disk wiping, allowing for seamless data transfer and maintenance.

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Extend C Drive Without Formatting Using Resize/Move Partition Option

If you're running out of space on your C drive and don't want to delete or format your hard drive, you can use Qiling partition management software to extend C drive by utilizing its "Resize/Move partition" feature.

Option 1. Extend System C drive with unallocated space

Step 1. To adjust the size of the System C: drive, first select the drive you want to adjust in the Disk management page, then choose "Resize/Move" from the options.

Step 2. To resize the system partition, simply drag its end into the unallocated space, effectively adding it to the C: drive, and then click "Proceed" to initiate the resizing process.

You can see how to move space from D drive to C drive.

Option 2. Extend System C drive without unallocated space

Step 1. To resize a partition, first select a big partition with enough free space on the system disk and then select "Resize/Move" in the "Disk management" page.

Step 2. Drag the begin of this big partition drive into the partition space for shrink the partitiong. Click "Proceed" to confirm.

Step 3. Extend System C drive with unallocated space.

How to Extend C Drive When There Is Adjacent Unallocated Space

You can use Qiling Partition Master to add space to the C drive even in complicated circumstances, such as when there is no unallocated space on your disk or the unallocated space is not adjacent to the C drive.

In cases where the C drive has adjacent unallocated space, there are two methods to expand it: using the built-in Disk Management tool in Windows or using a third-party partition manager software. Both methods allow you to resize the C drive and utilize the adjacent unallocated space, effectively increasing the drive's capacity.

1. Extend C Drive by Using Disk Management

Windows 10 Disk Management can handle basic disk management tasks, including deleting, formatting, creating, and shrinking partitions. To extend the C drive, follow these steps: [insert steps here].

Step 1. Right-click the Windows button, choose "Disk Management".

Step 2. Right-click C drive and choose "Extend Volume...".

Step 3. Follow the on-screen instructions to finish extending C drive.

2. Increase C Drive with Diskaprt Utility

When there's an unallocated space behind the C drive, you can use the Diskpart tool in the Command Prompt to expand the C drive by incorporating that space.

Step 1. Press the Win+R buttons to open the Run dialogue. Then, type diskpart and press Enter.

Step 2. Type the following command lines in order and press Enter after each one.

list disk
select disk x (x is the number of the system disk)
list partition
select partition x (x is the number of C drive)
extend size=x disk=N (x is the size in MB you want to add to the system partition, N is the number of your system disk.)

Qiling Partition Master - A Simple C Drive Partition Extender

After reading this guide, we believe that you've learned how to extend C drive in every way. If there is adjacent unallocated space right behind the C drive, you can use the Windows built-in tools - Disk Management and Diskpart to extend C drive with ease.

If things get a little more complicated, Qiling Partition Master is the best choice to easily extend the C drive with different solutions.

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