How to Open a File with an ADR File Extension?

How to Open a File with an ADR File Extension?

ADR files are usually associated with Address Book. To access an ADR file, you’ll need software like Address Book. One of the best ADR file reader applications is Opera browser. You can either drag the file in the browser or download software for the ADR file reader. When you open an ADR file, you can import any bookmarks included within it into opera.

Steps to Open a ADR File

Step 1: Download opera browser if you don’t have one. https://www.opera.com

Step 2: Now open opera and go to the upper left corner and click on the ‘opera’ button.

Step 3: Select ‘import and export’ from the settings menu.

Step 4: After that, select ‘import opera bookmarks.’

Step 5: Now, right-click the ADR file and select open.

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