Do you want to combine your C: and D: drives into a single partition without losing data? In this quick and easy tutorial, we’ll show you exactly how to merge C drive and D drive using built-in Windows tools and third-party software. This method works perfectly for Windows 11, Windows 10, Windows 8, and Windows 7. br br ✅ Learn how to: br br Merge C and D drives without formatting br br Combine two partitions in Windows br br Use Disk Management and third-party tools br br Extend C drive space using D drive br br 🖥️ Whether you're running low on disk space or reorganizing your system, this guide will help you extend C drive by merging it with D drive easily. br br 📌 Works for: br br Windows 11 Home Pro br br Windows 10 br br Windows 8.