O&O RegEditor

General features

• Editing the Windows Registry Without Additional Windows Tools
• Support for all popular registry hives and branches, such as HKEY_LOCAL_MACHINE and HKEY_CURRENT_USER
• Display of keys, subkeys and values in a clear tree structure
• View and edit all common value types, such as string, expandable string, DWORD, QWORD, binary, and multi-string
• Quickly navigate through registry paths using the built-in address bar
• Direct access to frequently used areas of the registry
• Restore the last opened key path at application startup.
• Dynamically display the current context in the window title
• Uniform operating logic for typical registry tasks
• Modernized user interface based on standard Windows components
• Optimized for administrators, power users, and support assignments
• Compatible with Windows 11 on x64 and ARM systems
• Available in German and English

Display and screen support

• Light and dark design
• Automatic adoption of the display setting of Windows
• Fixed choice of a light or dark design
• Instant switching of the design without rebooting
• Support for high-resolution (high-DPI) displays
• Sharp display of icons and toolbars in different sizes
• Stable and storable division between registration tree and value list
• Optimized display of the welcome dialog on high-resolution screens

Create, edit and delete

• Creating new registry keys
• Creating new registry values in existing keys
• Edit existing key and value names
• Edit value contents for all supported data types
• Editing Large Binary Values
• Correct Multiline String Values Processing (REG_MULTI_SZ)
• Deleting individual registry values
• Delete complete keys including subkeys
• Confirmation queries for critical deletion actions
• Processing even with complex key structures
• Open the edit dialog of a value using the Enter key

Search and find

• Convenient search function via keys, value names and contents
• Live search with result display as you type
• Regular expression support
• Search for whole words
• Search for exact terms and substrings
• Hit display as result list for quick selection
• Jump directly from the search hit to the exact registry position
• Resume the search without re-entering
• Search in subsections or across entire registry hives
• Quick navigation between multiple hits
• Export of search results as a REG file
• Export of search results as tab-delimited text file (TXT)

Copy, paste, and duplicate

• Copying complete registry keys including subkeys
• Copying individual registry values including data type and content
• Pasting copied keys into other registry paths
• Pasting copied values into other keys
• Duplicating entire key structures to quickly reproduce configurations
• Maintaining Structure and Hierarchy in Copy Operations
• Correct handling of multi-line strings when copying
• Quickly transfer settings between similar registry areas

Favorites and quick access

• Create your own favorites for registry paths
• Manage and maintain a Favorites list
• Multiple selection of favorite entries
• Fast Jump to Saved Registry Positions
• Preset Favorites for Frequently Used Registry Keys
• Clear submenus for frequently used keys
• Rename and organize favorites
• Moving favorites up and down
• Importing Favorites to Inherit Existing Collections
• Export favorites for sharing or saving
• Printing the Favorites List
• Restoring favorites after a new installation or system change
• Protection against accidentally exporting the entire registry when exporting an empty favorites list

Address bar and navigation

• Direct entry of complete registry paths
• History of Recently Used Registry Paths
• Support for paths preceded by "Computer" or "My Computer"
• Quickly switch between different registry areas
• Direct Jump on Frequently Used Keys
• Restore the last opened path at the next application startup
• Better orientation through the dynamic display of the current context

Import and export

• Import of REG files to apply registry changes
• Skipping comment lines that begin with a semicolon in REG files
• Correct handling of quotation marks and escaped backslashes
• Support for different registry value types during import
• Export of selected keys as a REG file
• Export of individual values or complete key branches
• Quickly create backup REG files before changes
• Export of the entire registry in XML format
• Export of search results as a REG file
• Export search results as a tab-delimited TXT file
• Use of exports to document system states
• Inherit exports to restore defined configurations

Working comfort and operation

• Clear and modernized interface for fast work
• Context menus for the most important registry actions
• Keyboard-friendly operation for fast administrator workflows
• Switching the focus between the registration tree and the value list with the Tab key
• Open the edit dialog with the Enter key
• Clearly structured dialogs for value types and content
• Display of paths and key labels for better orientation
• Stable, individually adaptable division of tree and detail view
• Storage of the set window layout
• Reduction of typical sources of error through clear displays and dialogs
• Quick switch between tree view and value list
• Clickable link to the O&O website in the status bar

Settings and configuration

• Saving the settings in a portable configuration file
• No need to save the application settings in the Windows registry
• Automatic transfer of existing settings at first start
• Restore the selected display language at application startup
• Storage of the division between tree and value list
• Storage of the last opened registry path
• Adoption of the Windows theme or fixed selection of a light or dark theme

Portable use

• Portable version without classic installation
• Can be booted directly from portable storage media, e.g. a USB stick
• Suitable for use on multiple PCs without prior setup
• Portable storage of application settings in a configuration file
• Ideal for support assignments, administrator toolkits and emergency environments
• Use on different systems with a uniform configuration

Security and control

• Controlled work with system and user areas of the registry
• Support for backing up changes through extensive export functions
• Create REG backups of selected keys and key branches
• Clear representation of keys, value types and contents
• Reduction of operating errors through understandable dialogs and confirmation queries
• Traceable registry adjustments through export and documentation functions
• Reliably handle complex strings and different value types

Application scenarios

• Troubleshooting and troubleshooting through targeted registry adjustments
• Standardization of configurations via export and import
• Quick access to support-relevant registry areas
• Migrate settings between systems using REG files
• Documentation of system states for analysis and comparison
• Search large registry areas with live search and regular expressions
• Export search results for further evaluation or documentation
• Portable use on customer, test and maintenance systems
• Management of frequently used registry paths via advanced favorites functions
• Working on Windows 11 systems with x64 or ARM architecture