ADR File Documentation

Overview

Feature Value
File Format ADR (Opera Bookmarks File)
Primary Use Storing bookmarks for Opera web browser
File Extension .adr
MIME Type application/x-opera-bookmarks
Format Type Text
Character Encoding UTF-8
Key Features Bookmark URLs, Bookmark Titles, Folders, Folder Titles, Creation Dates, Visited Dates, Bookmark Icons
Encryption Not by default
Accessibility Can be opened and edited with text editors
Backup Advised to regularly backup bookmark files
Operational System Compatibility Windows, macOS, Linux (with Opera browser installed)
Programs to Open Opera Browser, Text editors (for viewing content)
File Location (Windows) C:Users[Username]AppDataRoamingOpera SoftwareOpera Stable
File Location (macOS) ~/Library/Application Support/com.operasoftware.Opera/
Creation Method Automatically created and updated by Opera upon bookmarking websites
Editability Can be manually edited, but not recommended
Structure Plain text, keyword-value pairs
Version Control Not inherently supported, but can be managed through external version control systems
Exportability Can be exported from Opera to be used in other browsers or for backup purposes
Importability Can import ADR files or other bookmark formats into Opera