The data is still on the drive but all references to it are lost, so it will be overwritten as you use the newly formatted drive. Format Options (Quick Format): If the drive is in good working order, you can select “Quick Format,” which performs a high-level format and finishes quickly.
Volume Label: This is the drive name that will appear when you see your formatted drive in File Explorer. Generally, you never need to modify this setting, so use the default allocation unit size that appears (usually 4096 bytes for NTFS) when you select the file system you want. Allocation Unit Size: This is the basic block size used by the file system when you format your drive. If you want the drive to be readable and writable on a Mac as well, choose exFAT. In general, you’ll want to select NTFS if the drive will only be used with Windows. Depending on the drive’s size, your options will be FAT, FAT32, NTFS, or exFAT. File System: A file system is a data structure that tells an operating system how to save and load files to or from a disk. Formatting takes up some of the raw disk space because of how file systems work. Capacity: This will be the data capacity of your hard drive or SSD once it is formatted. Select it and you can verify it to ensure it's not corrupt. Once it's done, it'll appear in the left-hand pane underneath your drives for easy access. Make sure there's enough room on your target drive, then click Save and be prepared to wait while the image is created (depending on the size of the backup). Select a location and filename for your image if backing up a disk partition or entire disk, choose a different disk to save the image to. To back up an existing disk, select it in the left-hand pane and click the New Image button. 
They can be handy for backing up entire partitions or removable disks like USB flash drives. Disk imagesĭisk images are exact copies of a selected disk's contents, held in a single file. Like formatting, partitioning wipes all existing data on your disk, so is best used when setting up a new hard drive for the first time. This enables you to divide a large-capacity disk into smaller subdivisions, which then behave as if they were separate drives. If you select a disk drive rather than a partition, you'll also see a Partition tab appear. Next, click on Security Options… to configure how the drive will be erased: you can choose a more secure setting if there's data on the drive that you want permanently (unrecoverably) removed.įinally, click Erase and wait while the drive is erased.
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