How to Partition C Drive [Step-by-Step Guide]


This is an article that will show you how to partition the C drive into multiple drives on your Windows 11/10/8/7 computer. The 2 simple steps will help you shrink the C drive and create more partitions for arranging your files in them.

partition c drive

If you recently purchased a new computer or laptop, you'll have to partition C drive to separate the operating system from programs and personal files. Or, your C drive is too large or small in volume size, and you want to partition the drive for better management. However, this might be a challenge for those inexperienced users.

You can check a typical case example from Microsoft below to see if you are experiencing the same situation.

Please help me in partitioning my drive C: I know that storing all my files in C drive is potentially risky. My friend advised me to create another partition and keep my personal files there so that if the system crashes, I can still recover them because they are all saved separately from the system files. - Microsoft

How to Partition C drive in Windows

As stated earlier, partitioning a hard drive is a great strategy for separating different types of files and managing them better. Partitioning your C drive allows you to arrange all your files to make identification simple and clear. You can easily organize and save your music, images, videos, and other important data.

It is worth mentioning that although you can save data in separate partitions, losing them all is quite easy since they are still on the same hard disk. If anything happens to the hard drive, the partitions you have created might also be destroyed. It is always recommended to back up your personal files to avoid data loss.

Now, read on to learn 2 different ways to achieve the partitioning.

Way 1. Using Partition Software

The simplest way to do the partitioning is through the third-party partition software. It is because such a tool has the ability to resize partitions fast and enable you to create more partitions in an easy way. Choose Qiling Disk Master Pro if you haven't found a reliable one.

Qiling Disk Master allows you to easily shrink, extend, split C drive, and create more volumes from unallocated space. There is no need to format the drive during the process, so you don't have to worry about losing data. However, when you try to shrink the C drive to get more free space for other partitions, you'd better arrange at least 1/3 size of the total storage space on the C drive. Now, check out the steps below.

Step 1. Launch Qiling Disk Master to check for free space at the Partition Manager section.

Step 2. Shrink a disk partition to create unallocated space.

Right-click on the target drive partition with a lot free space and select "Resize/Move".

decrease partition step 1

Drag either end of the partition rightwards or leftwards to shrink the partition size so as to get ample unallocated space. You can visually know how much space you've decreased in the "Partition size" area.

decrease partition step 2

Click "Proceed" to save all the changes.

decrease partition step 3

Go back to Partition Manager, there should be unallocated space appearing on the same disk and you can continue with the next step to create new partition on your hard drive.

Step 3. Create a new partition with unallocated space on the target hard drive.

Right-click on the unallocated space and choose "Create".

create partition step 1

Customize the partition size, partition drive letter, partition label, file system (NTFS, FAT32, EXT2/3/4, exFAT) and more in the Advanced Settings.

create partition step 2

Finally, click "Proceed" to complete creating partition with the unallocated space on your disk. Repeat the steps to partition a hard drive and get many more partitions.

create partition step 3

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Now that you have learned how to shrink the C drive and create a partition from unallocated space, you may also be interested in knowing how to extend the C drive with Qiling Disk Master by reading the following article.

How to Extend C Drive in Windows 10 Without Formatting

How to extend C drive in Windows 10? Read this tutorial and learn how to use Qiling Disk Master to extend C drive system partition without deleting or formatting. Read more >>

Way 2. Using Disk Management

Another option is to use Windows' built-in Disk Management tool. This tool is a Microsoft Windows program that provides free operation to partition and manage your disks. If your new hard drive only has one C partition at first, Disk Management can help you shrink the C drive and create new simple volumes from the unallocated space.

Follow the guide to partition with Disk Management:

Step 1. Hit the "Windows button" + "R" to open Run Command. Type in diskmgmt.msc in the dialog box.

run disk management

Step 2. In Disk Management, right-click on the C drive and select "Shrink Volume".

shrink c drive

Step 3. Enter the amount of space in the box to shrink from C drive, and click "Shrink" to create the unallocated space.

enter the amount of space

Step 4. Right-click the unallocated space and select "New Simple Volume".

new simple volume

Step 5. Enter the amount of space you want to allocate for this new volume and then format it to create a new partition.

Note: The unallocated space can only be used to extend the adjacent partition on the left side. The option "Extend Volume" is greyed out when you try to extend the volume with the unallocated space on the left.

cant extend volume

Besides this, partitioning with Disk Management always requires formatting, which is quite bothering for users. By contrast, professional and powerful partition software like Qiling Disk Master is needed. It allows you to partition drives without formatting and extend the volume with unallocated space from anywhere.

Do remember to share this post on your social media to help more people!

Why Do You Need to Partition C Drive

You probably have noticed that most computers come from the factory with only one partition on the hard drive, which usually shows up as a C drive. In this case, you can partition the C drive and create a new volume with the unallocated space. You may also encounter a low disk space error on the C drive. It is the situation that the C drive is full and needs more space to store data. Under this circumstance, you'll need to extend the C drive with unallocated space created from another drive, which has large unused space.

In addition, partitioning C drive has many benefits for your computer.

  • Better Data Organization: It allows you to better organize all of your files in order to separate Windows OS from other data and programs. For example, you can save films, games, and music in the D drive so that you can access them fast.
  • Simpler Backups: When you have two or more volumes, you may precisely select which ones to be backed up. For example, you can create one partition for the operating system and another for significant files and data. This simplifies backup by reducing the backup file sizes and processing time.
  • Data security: It can protect your data from malware attacks. If ransomware invades your OS drive, it has a lower chance of encrypting your personal files on another partition.
  • Multiple File Systems: You can partition the C drive for applying multiple file systems on different partitions. For example, you can create two more different partitions with different file systems like NTFS and FAT32.
  • Multiple Operating Systems: Except C drive, you can also install another operating system like Linux or older Windows OS on another drive.

Conclusion

Partition C drive is quite important for a new computer or laptop. It allows you to better manage files and offers you safer storage for personal files. Now that you have learned how to partition it and use unallocated space for creating more volumes, download Qiling Disk Master and experience it for excellent features. This software also has the ability to convert file systems, clone systems or hard drives, create WinPE bootable disks, merge two partitions, etc.

FAQs on Partition C Drive

If you have more questions on partition C drive, below are three frequently asked questions and answers.

1. Is it okay to partition the C drive?

C drive is a partition. You can resize it (and others) if you have a very good reason (such as getting rid of excess partitions), if there is free space at the end, or you can wait for data migration. Just go into Disk Manager and explore the options. They are theoretically safe operations, assuming there isn't corruption.

2. How do I increase space on my C drive?

Before expanding the C drive size, you need to confirm there is unallocated space next to the C drive. Open Disk Management and right-click on the C drive. Then, select "Extend volume" and follow the instructions on the screen to finish the expanding process.

3. How do I extend my C drive by shrinking my D drive?

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