Updated on April 19, 2024

Please provide the list of languages you need translated, I'll translate them one by one into English for you.

⌛Duration: 5-10 minutes
?Goal: Merge C and D drives in Windows 10 or Windows 11 computers
?Tools: Windows computer, C and D drive, partition manager software, or disk management utility
?Who Needs It: All levels of Windows users

Q1: How to combine the existing C & D drive into one? - from Microsoft

Q2: How can I merge C and D drives in Windows 10 without losing data? - from Quora

Relax and stay here if you're seeking a solution to merging two partitions, as shown in the examples above. Many users have encountered the issue where their C drive is running out of space. When faced with this problem, you can opt to merge C and D drives in Windows 11/10 to easily resolve the issue, particularly when the D drive is almost empty or has ample free space.

Merge C and D Drive Cover

But how to merge C and D drives in Windows 11/10 without data loss? Follow this guide, and you'll find two reliable methods to help you complete this task like a pro.

How to Merge C and D Drive in Windows 11/10 Without Losing Data

To merge C drive and D drive in Windows 11/10 computers, the simplest way is to use a professional partition manager like tools Partition Master. This tool allows you to merge partitions without any data loss effortlessly.

Now, download the tool Partition Master and follow the steps below to merge C drive and D drive in Windows 11/10 without losing data. The screenshot demonstrates how to merge E and F partitions; merging C and D drives works similarly.

Step 1: Select the target partition

Right-click on the partition to which you want to add space and keep, and select “Merge”.

Run disk partition management software

Step 2: Select a neighbor partition to merge

Select the partition that is right next to the previous selection to merge.

Select partitions to merge

Click "OK" to continue.

Confirm merge partitions

Step 3: Execute the operation to merge partitions

1. Click the "Execute Task" button at the top, and then select "Apply." 2. The program will combine the free space and add the files from the second partition into the first partition.

Select partitions to merge

Aside from combining C and D drives into one, Partition Master offers more all-in-one disk partition features, such as cloning disk, creating/deleting/formatting partitions, wiping data, disk/partition conversion, and migrating OS to SSD without reinstallation, etc.

Please feel free to share this fantastic tool with more of your friends and assist them in effortlessly performing partition management tasks like a pro:

These languages include:

How to Manually Merge C Drive with D Drive

Aside from using third-party partition manager software, some advanced users might also recommend that you use Disk Management, as it's free with Windows. This tool allows you to freely create, delete, extend, shrink, or merge partitions.

However, you need to be extremely cautious when performing the task of merging the C drive and D drive into one partition. Make sure to handle the following steps carefully:

❗Note: Ensure that you create a backup of all important data on the D drive before proceeding with the step-by-step guide below.

Step 1. Open Disk Management on your PC.

Step 2. Right-click the target D drive and choose "Delete Volume".

Then, click "Yes" to confirm.

Delete D Partition

Step 3. Right-click on the C drive and select "Extend Volume".

Extend C to merge C and D as one

Step 4. Next, specify the size of the unallocated space from Drive D that you want to merge with Drive C. Click "OK" to confirm.

Once done, you'll see the C drive is extended and the D drive is removed from your computer. If you found this manual method helpful, share it online to assist more of your friends:

Here they are in American English: 1. 中文 (Chinese): Chinese 2. 英语 (English): English 3. 法语 (French): French 4. 德语 (German): German 5. 西班牙语 (Spanish): Spanish 6. 日语 (Japanese): Japanese 7. 韩语 (Korean): Korean 8. 阿拉伯语 (Arabic): Arabic 9. 俄语 (Russian): Russian 10. 意大利语 (Italian): Italian 11. 葡萄牙语 (Portuguese): Portuguese 12. 荷兰语 (Dutch): Dutch 13. 印度尼西亚语 (Indonesian): Indonesian 14. 泰语 (Thai): Thai 15. 越南语 (Vietnamese): Vietnamese 16. 土耳其语 (Turkish): Turkish 17. 希腊语 (Greek): Greek 18. 波斯语 (Persian): Persian (Farsi) 19. 乌尔都语 (Urdu): Urdu 20. 印地语 (Hindi): Hindi

See More: How to Extend C Drive Without Data Loss in 2 Ways

Aside from merging partitions, there are two methods to extend the C drive without data loss using a partition manager tool: one is resizing and moving drives, and the other is directly allocating space from the D drive to the C drive.

This Chinese sentence translates to "Extend the System Partition" in American English.

related articles

How to Extend C Drive in Windows 10 Without Formatting

How to extend the C drive in Windows 10? Read this tutorial and learn how to utilize Partition Master to extend the C drive system partition without deleting or formatting.

Extend C drive

2. Allocate space from drive D to C to increase the size of C drive.

Here's the quickest and simplest method to extend the C drive by moving space from other drives without requiring unallocated space. You can resize partition D, E, F, or any partition with free space to allocate it to the system drive, the C drive.

related articles

How to Move Space from D Drive to C Drive in Windows 11/10/8/7

How can you transfer space from D drive to C drive on Windows 11/10, Windows 8, or Windows 7 PC without losing data? This article demonstrates how to expand the C drive's space directly from D drive using tools like Partition Master.

Move Space from D to C

In sum

This post will guide you on how to merge C and D drives in Windows 11/10 without data loss using a renowned partition manager, Partition Master. This tool enables you to efficiently combine partitions in Windows 11/10/8/7.

Moreover, we will also introduce two methods to extend C drive without deleting or formatting using disk management software, which can help you organize your hard drive and free up disk space to improve the operating system's performance.

In this article, we've delved into various methods to extend the C drive. Please share this article to assist more users.

Here are the translations in American English: 1. Chinese (中文): 2. Arabic (العربية): 3. French (Français): 4. Spanish (Español): 5. German (Deutsch): 6. Japanese (日本語): 7. Korean (한국어): 8. Russian (русский): 9. Italian (Italiano): 10. Portuguese (Português): If you need the content translated into any of these languages, please provide the original text.

More FAQs About Merging C and D Drives

Now, let's explore more popular topics on how to merge C and D drives in Windows 11/10 without data loss.

< strong > 1. Is it safe to merge C and D drives? < /strong >

Yes, you can safely merge C and D drives without losing any data using a reliable disk management tool such as tools Partition Master. This partition manager allows you to merge partitions in Windows 11/10 without deleting either of them.

2. How can I merge C and D drives in Windows 11/10 without losing data?

How do I merge C and D drives? You can accomplish this with just three steps:

Step 1. Install and launch tools Partition Master. Right-click on the C drive and select Merge.

Step 2. Select the D drive next, then click OK to continue.

Step 3: Click the "Execute Operation" button at the top and then hit "Apply" to commence merging C and D drives without data loss.

When the C drive is running out of space, you have three options to utilize the D drive's space to extend the C drive if the D drive is positioned to the right of the C drive in the graphical layout:

1. Delete the D drive and extend the C drive using the unallocated space via Disk Management or a third-party partition tool.

2. Shrink the D drive and use a partition management tool to increase the C drive with unallocated space.

3. Use a partition manager tool to directly move free space from Drive D to Drive C, even if there is no unallocated space.

4. How do you expand the D drive space from the C drive in Windows 11/10?

You can use the Allocate Space feature in Partition Master to easily move space from the C drive to the D drive, thereby increasing the size of the D drive.

Step 1. Free download and install Partition Master. Right-click on C drive and select Allocate Space.

Step 2. Select the D drive as the target partition. Drag the partition panel rightward to add the space allocated from the source partition to the target one. Click OK to confirm.

Step 3: Click the Execute Operation button and then click Apply to start expanding D drive space from C drive.