.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
.SPL	Microsoft Corporation	System Files	Windows Print Spool File
.VX	Opera Software	Web Files	Opera Browser Data
.MBS	Opera Software	Uncommon Files	Opera Mailbox File
.JSPA	Xinox Software	Web Files	Java Servlet Alias
.JFIF	Unknown Developer	Raster Image Files	JPEG File Interchange Format
.WOFF	Open Source	Font Files	Web Open Font Format File
.CFM	Adobe Systems Incorporated	Web Files	ColdFusion Markup File
.VBD	Microsoft Corporation	Web Files	Visual Basic ActiveX Document
.J	Oracle Corporation	Developer Files	Java Source File
.BOK	Pearson	Data Files	TestGen Testbank File