File Extension HIV

.HIV File

File extension: HIV
File type: NT Registry Hive

Notes about the HIV file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The HIV file type is primarily associated with 'Windows' by Microsoft Corporation. This is the on-disk format for the Windows registry (hive). You should not attempt to edit this file directly while running Windows. Serious damage to your installation could be done.

Detailed information for file extension HIV:

Primary association: Windows
Company: Microsoft Corporation
Identifying characters Hex: 72 65 67 66 , ASCII: regf

Other applications associated with file type HIV:

  • RegShot (Registry Hive File) by TiANWEiRegShot allows you to make a backup of your registry (the Hive file) and compare two different registry "shots" and report out the differences. Very handy for seeing what new program installs do to the registry. The identifying characters used for this association are - Hex: 72 65 67 66 , ASCII: regf Related links: PCWorld Link
  • W32/SillyFDC-ASW32/SillyFDC-AS creates some of the following files in the Program Files folder:,,, Related links: Sophos W32/SillyFDC-AS Page
File Identifier - TrID
'Identifying characters' used on are
provided by Marco Pontello from his TrID database

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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