.ADR File Overview

File Extension:	ADR
File Type Description:	Opera Bookmarks File
File Type Developer:	Opera Software
Primary Associated Software:	Opera
Primary Software Developer:	Opera Software

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ADR

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Home File Types Web Files ADR

What is File Extension ADR?

ADR files are a type of Opera Bookmarks File developed for Opera by Opera Software. Our internal web tracking data indicates that Windows 10 operating system users, and those living in United States, are the most likely to use Opera Bookmarks File files. Google Chrome is the predominant internet browser used by this population.

Associated Developers and Software

Opera by Opera Software

Top ADR User Languages

Top ADR File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	iOS
	Android
	Linux

Other File Types Related to ADR Files

Extension	File Type Developer	File Category	File Type Description
.WOA	Apple	Web Files	WebObjects Application
.PHP2	Open Source	Web Files	PHP 2 Web Page
.POLICY	Oracle Corporation	Settings Files	Java Policy Implementation File
.JFIF	Unknown Developer	Raster Image Files	JPEG File Interchange Format
.WGT	Interscape	Data Files	IMPS Data File
.SPL	Microsoft Corporation	System Files	Windows Print Spool File
.SHTML	Sublime HQ Pty Ltd	Web Files	Server Side Include HTML File
.WEBP	Google	Raster Image Files	Google Image File Format
.BML	Various Developers	Web Files	Bean Markup Language File
.IWS	JetBrains	Developer Files	IntelliJ IDEA Web Page