.HIV File Extension

Windows Registry Hive File

Developer Microsoft
4.2  |  12 Votes

What is a HIV file?

Registry file created by reg.exe, a Windows program used for saving, loading, and deleting registry information; contains a registry "hive," which saves key-value data used by the operating system and installed programs; used for backups or for loading groups of registry keys; saved in a binary format.

More Information

You can save registry hives using reg.exe by typing the following at the command prompt (taken directly from the reg.exe command line help):

REG SAVE HKLM\Software\MyCo\MyApp AppBkUp.hiv

You can load registry hives using this command (again taken directly from the reg.exe command line help):

REG LOAD HKLM\TempHive TempHive.hiv

Type REG /? at the Windows command prompt for further help with reg.exe commands. The program is located in the C:\​Windows\​System32\​ directory, but it can be run from any directory in the Windows command prompt.

NOTE: Be careful when saving and loading registry information, since corruption of the Windows registry can cause applications or the whole system to malfunction. The file setupreg.hiv included on Windows installation discs should not be edited manually, since it is used by the Windows installer.

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Programs that open HIV files

Microsoft Reg

Verified by FileInfo.com

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