Registry File Formats

Registrar supports both common file formats used by the native registry editors REGEDIT.EXE and REGEDT32.EXE. This table gives an overview of the different formats and their features.

  registration files registry hive files
Used by REGEDIT.EXE, third party software Windows, REGEDIT.EXE and REGEDT32.EXE
File Extension .reg .hiv, .dat or none
Format ANSI or UNICODE ini style text file binary
Compatibility all Windows versions Win95/98/ME and WinVista/XP/2003/2000/NT have different formats. Other formats exist for XP.
Registry key storage absolute (contains full path name) relative (does not store original path names)
Class Information not stored stored
Security Information (WinNT/2000) not stored stored (permissions, auditing, ownership, classname)
Volatile Registry Keys (WinNT/2000) stored not stored
Suitable for backup no Windows Vista/XP/2003/2000/NT

RegEdit registration files are registry files of an undocumented format which allow you to add data or delete keys to the registry. They can be useful for creating redistributable registry scripts but should not be used for backup purposes.

All versions of RegEdit contain serious bugs which cause you to loose registry data of certain kinds. Furthermore, registration files do not store any class information, security descriptors and make no distinction between volatile and non-volatile keys.

Online Help Topics


· Introduction

· Product Description and Features

· What's new

· Registrar Command Line Edition

· Supported Windows Versions

· FAQ and Tips

About the Registry

· About the Windows registry

· Registry Root Keys

· Registry Path Syntax

· About Windows 64-bit editions

Editing the Registry

· Browsing the Registry

· Editing Registry Keys

· Registry Key Properties

· Editing Registry Values

· Data Editor

· Include and Exclude Filters

Registry Tools

· Advanced Search Tool

· Bookmark Manager

· Undoing Registry Changes

· Registry Backup and Restore

· Registry Monitor

· Registry Defragmentation Tool

· Advanced Registry Compare Tool

· File Reference Editor

· CLSID Lookup Utility

· Hidden Registry Keys

Registry Security

· Registry Key Permissions

· Registry Key Auditing

· Registry Key Ownership

Registry Files

· Registry File Formats

· Importing and Exporting Registry Files

· Editing Registry Files

Remote Registry Editing

· Remote Registry Editing

Advanced Options

· Editor Options

· Startup Options

· Interface Layout Options

· Registry View Options

· Visual Options

· Shell Options

· Remote Registry Options

· Registry Monitor Options

· Bookmark Options

· Undo Options

· Misc Options

· Commandline Options for rr.exe/rr64.exe

· Registry Shortcuts

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