Having problems opening an ADR file?

We have programs that can open or convert your ADR files.

Opening ADR files

Did your computer fail to open an ADR file? We explain what ADR files are and recommend software that we know can open or convert your ADR files.

What is an ADR file?

The .adr file extension is used for a digital video file format. These ADR files are also called After Dark random screen saver module files. The .adr file format was created by Berkeley Systems in 1989 for their suite of After Dark screen saver software programs, which were designed for Apple Macintosh computers.Berkeley Systems also developed in 1991 versions of their After Dark screen saver programs for Windows PCs. They also created a version of the ADR file format that can run on Microsoft Windows environments. These .adr files contain digital videos and code that can allow the digital video content to be automatically played when a computer is idle for a specified time. Some versions of these After Dark screen saver tools are also equipped with password-locking functions.The suite of After Dark screen saver programs from Berkeley Systems can be used to open and view the content of these ADR files. There are no known applications that are able to export these ADR files to other more standard digital video file formats.

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

About File Extension ADR

File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.

If you have additional information about the ADR file format or software that uses files with the ADR suffix, please do get in touch - we would love hearing from you.