This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
Note
Access to this page requires authorization. You can trysigning in orchanging directories.
Access to this page requires authorization. You can trychanging directories.
Dismounts a volume, or queries the hard disk drive to determine how much free space is currently available on the hard disk drive or which file is using a particular cluster.
fsutil volume [allocationreport] <volumepath>fsutil volume [diskfree] <volumepath>fsutil volume [dismount] <volumepath>fsutil volume [filelayout] <volumepath> <fileID>fsutil volume [list]fsutil volume [querycluster] <volumepath> <cluster> [<cluster>] …| Parameter | Description |
|---|---|
| allocationreport | Displays information about how storage is used on a given volume. |
<volumepath> | Specifies the drive letter (followed by a colon). |
| diskfree | Queries the hard disk drive to determine the amount of free space on it. |
| dismount | Dismounts a volume. |
| filelayout | Displays NTFS metadata for the given file. |
<fileID> | Specifies the file id. |
| list | Lists all of the volumes on the system. |
| querycluster | Finds which file is using a specified cluster. You can specify multiple clusters with thequerycluster parameter. |
<cluster> | Specifies the logical cluster number (LCN). |
To display an allocated clusters report, type:
fsutil volume allocationreport C:To dismount a volume on drive C, type:
fsutil volume dismount c:To query the amount of free space of a volume on drive C, type:
fsutil volume diskfree c:To display all the information about a specified file(s), type:
fsutil volume C: *fsutil volume C:\Windowsfsutil volume C: 0x00040000000001bfTo list the volumes on disk, type:
fsutil volume listTo find the file(s) that are using the clusters, specified by the logical cluster numbers 50 and 0x2000, on drive C, type:
fsutil volume querycluster C: 50 0x2000Was this page helpful?
Need help with this topic?
Want to try using Ask Learn to clarify or guide you through this topic?
Was this page helpful?
Want to try using Ask Learn to clarify or guide you through this topic?