MS-DOS and Windows command line unformat command
Updated: 05/21/2018 by Computer Hope
The unformat command is used to restore a formatted drive to its original state.
Availability
Unformat is an external command that is available for the following Microsoft operating systems as unformat.com.
Unformat syntax
Restores a disk erased by the FORMAT command or restructured by the RECOVER command.
UNFORMAT drive: [/J] UNFORMAT drive: [/U] [/L] [/TEST] [/P] UNFORMAT /PARTN [/L]
| drive: | Specifies the drive to unformat. |
| /J | Verifies that the mirror files agree with the system information on the disk. |
| /U | Unformats without using MIRROR files. |
| /L | Lists all file and directory names found, or, when used with the /PARTN switch, displays current partition tables. |
| /TEST | Displays information but does not write changes to disk. |
| /P | Sends output messages to a printer connected to LPT1. |
| /PARTN | Restores disk partition tables. |
MIRROR, UNDELETE, and UNFORMAT Copyright (C) 1987-1993 Central Point Software, Inc.
Unformat examples
unformat c:
Command specified to unformat drive c: if it was formatted.
Additional information
This program was designed run only in MS-DOS versions 5.0 to 6.22. If you have upgraded to Windows 95 or any subsequent version, this command does not restore any information and can cause additional problems.