If the Disk Management Extend Volume option isn't available, check your configuration for the following possible issues. Select Next, and then select Finish to extend the volume. If you plan to create other volumes in the available empty space, you can select a smaller amount of space to use to extend the volume. The default approach is to use all available empty space ( Maximum available) on the disk drive. In the wizard, under Select Disks, select how much disk drive space to use to extend the volume. In the Extend Volume Wizard, select Next.

If the Extend Volume option isn't available, see the following section and check for volume extension issues to resolve. Select and hold (or right-click) the volume that you want to extend, and then select Extend Volume. After Computer Management opens, go to Storage > Disk Management.In the search box on the taskbar, enter Computer Management, and then select Run as administrator > Yes.If you can't open Disk Management as an administrator, follow these steps: Select and hold (or right-click) Disk Management, and then select Run as administrator > Yes.In the search box on the taskbar, enter Disk Management.Open Disk Management with administrator permissions. To extend a volume by using Disk Management, follow these steps. The unallocated space on the disk drive appears at the right and has a red border outline. The following image shows the details for a disk drive. You can view the space utilization for a disk drive by using Disk Management. For more information, see Planning for an Azure File Sync deployment on Windows Server. On Windows Server 2012 R2 or later, you can also use Azure File Sync to extend your volume into the cloud. You can extend a volume by using Disk Management or Windows PowerShell. The volume to extend must be formatted with the NTFS or ReFS file systems.There can't be any volumes between the volume to extend and the empty space to add.The empty space must be located on the disk drive immediately after the volume that you want to extend.The empty space must be unallocated space that doesn't have a volume on it.To extend a volume, the configuration of the volume and free space must satisfy the following conditions: You can add space to an existing volume by extending the volume into available unallocated (empty) space on a disk drive. Applies To: Windows 11, Windows 10, Windows Server 2022, Windows Server 2019, Windows Server 2016

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