You can’t extend the C Drive storage from E or F or the next drive. But before we move ahead, let me give you a brief overview of how we are going to extend the C Drive storage.įirst of all, you can only extend the volume of C Drive if the nearest drive (which is D) is empty and unallocated. As for your files and folders, be assured, no data will be lost during the process. We are using the native Windows tool - Disk Management - to increase the space of C Drive. Here, we will learn how to extend the storage of C Drive on our Windows 10 computer.