[100% Working] How to Increase C Drive Space in Windows 10/8/7 Without Formatting

From the Microsoft Community: "Can anyone help? I want to extend the volume of the drive where my OS is installed, but the 'Extend Volume' option is not available. It works fine for other drives. How can I extend C drive space in Windows 10 without formatting?"

[[How to Increase C Drive Space in Windows 10/8/7 Without Formatting]]

According to Windows forums and Google search results, many users are unwilling to format or delete their second or third partitions to extend space for the system C drive.

So, it would be great if there were guides on how to increase the C drive space in Windows 10 without formatting or how to extend the C drive without formatting or deleting anything in Windows 10/8/7. The content below shows you how to increase and extend the C drive space in Windows 10/8/7 without formatting. Feel free to share this post to help more users with similar issues.

How to Increase C Drive Space in Windows 10 Without Formatting

Both Disk Management and CMD command lines require formatting and deleting partitions to add space to System C drive. If that's not what you want, don't worry. A professional partition manager software – tools Partition Master tool would help.

# 1. Download a partition manager for assistance

It lets you easily extend your C drive without deleting or formatting other partitions. You can even use it to resize the System Reserved Partition for Windows 10 updates or address many other partition issues.

Just download the software, install it, and follow the instructions below to start extending your C drive.

• Directly transfer free space from one disk to another.
• Resize/move partitions, merge partitions, clone partitions, and check file system errors.
• Clone disks, convert to MBR/GPT, dynamic/basic, and wipe data.
• Migrate OS to SSD without reinstalling to speed up Windows.

# 2. Extend/Collapse C Drive Space without Formatting/Deleting Partition in Windows 10/8/7

It can be easily done to extend C drive without formatting. Simply select the C drive and follow the on-screen steps to extend C drive in Windows 10 without formatting.

Step 1: Locate the target partition

Head to the “Partition Manager,” find the target partition, and choose “Resize/Move.”

Step 2: Extend the target partition

Drag the partition to the right or left to add unallocated space to the current one, and then click “OK” to confirm.

Select to get space from another drive

Additional option: Get space from another disk

If there isn't enough unallocated space, right-click a large partition with enough room and select “Allocate Space.”

In the Allocate space to column, select the partition you want to extend.

Get space from another drive

Step 3: Perform the operation - Extend the logical partition

Drag the partition you want to move into the unallocated space, and click “OK”.

Click the Run Task button, and then click Apply to save all changes.

# 3. Video Tutorial: Extend C Drive Without Formatting

In this video, you'll learn three methods to resize and extend the C drive in Windows 10/8.1/8/7. There are three scenarios in total:

• Scenario 1. C drive and D drive are two adjacent partitions on the same disk
• Scenario 2. There is unallocated space on the disk
• Scenario 3. No unallocated space exists. C drive and F drive are non-contiguous partitions

Watch this video to resize the C drive properly.

After that, you can restart your computer to apply all the changes to your Windows 10, 8, or 7 PC. Congratulations! You have successfully increased C drive space and added more available space to your system drive.

How to increase C drive space in Windows 10 without formatting? FAQ

AOMEI Partition Assistant provides you the easiest way to increase C drive space in Windows 7, Windows 8, and Windows 10 without formatting or deleting partitions. The content below is highly relevant to how to extend C drive on Windows 7/10. Please check it out if you are interested.

**Can the C drive be expanded?**

You can extend C drive by adding unallocated disk space to the system partition or move free space from other partitions to C drive. It's a common operation in Windows 7/8/10 and won't cause data loss.

How to Fix C Drive Full with No Space?

Follow this content guide to get the most effective fix for a full C drive and speed up your computer.

How can I increase the C drive space in Windows 7?

How can I extend the C drive in Windows 7 without formatting? Or, how to increase C drive space in Windows 10?

If there is unallocated space on the disk, you can extend system drive C with the unallocated space. If there is no unallocated space or not enough unallocated space on the disk, use the advanced resizing/moving feature of Partition Master to allocate free space from other partitions to the target drive without deleting or formatting.

How can I allocate more space to the C drive without formatting it?

This tool offers you two easy ways to increase C drive space in Windows 7 or Windows 10 without formatting. Plus, with its advanced partition resizing feature, you can allocate free space from other disks to C drive by a drag-and-drop operation.

How can I increase the size of my C drive?

How to Extend C Drive Space without Formatting or Deleting?

When there is unallocated space following drive C, you can use the Windows Disk Management tool to increase the C drive space:

Step 1: Right-click "My Computer," select "Manage" -> "Storage" -> "Disk Management."

Step 2: Right-click the partition that you want to extend, and select "Extend Volume."

Step 3: Assign more space to your target partition and click “Next” to proceed.

Step 4: Click “Finish” to conclude the process.

If there is no unallocated space, or the unallocated space is not adjacent to Drive C, you need to format or delete partitions to expand it. In this case, a professional partition manager – AOMEI Partition Assistant is your best choice.

With its “Resize/Move Partition” feature, you can easily increase C drive space without losing data. It helps you extend C drive easily without formatting, no matter whether the unallocated space is next to C drive or not.

Conclusions

That's all to increase C drive space in Windows 10 without formatting. The Disk Management tool plays an important role in this process. In addition, it can merge partitions, migrate OS, and even convert MBR to GPT without data loss. If you have any issues with disk management, download the software for assistance.