This is the core functionality. Windows Disk Management allows you to shrink volumes, but it severely limits extending them unless unallocated space sits immediately to the right of the target drive. AOMEI breaks this rule. It allows you to move partitions physically on the disk. This means you can shuffle data around to consolidate unallocated space next to the drive you want to extend.
Available from the official AOMEI website (free, no time limit). aomei partition assistant standard edition
is a powerful, free disk management utility designed for Windows users who need a more robust and flexible alternative to the built-in Windows Disk Management tool. Trusted by millions, it provides a comprehensive suite of tools to optimize disk space, improve system performance, and manage hard drives without the risk of data loss. This is the core functionality
With modern hardware requiring GPT (GUID Partition Table) for faster boot times and support for drives larger than 2TB, many users find themselves stuck with older MBR drives. AOMEI Standard allows you to convert a disk from MBR to GPT (and vice versa) without deleting the partitions on the disk. Note: While the Standard edition supports this for data disks, converting the system disk (where Windows is installed) usually requires the paid version, but the feature availability is still a major plus for external or secondary drives. It allows you to move partitions physically on the disk