The File Extensions Database

.ADR File Extension

  • Category: Web Files

What is an .ADR file?

.ADR is Opera Bookmarks File

List of bookmarks created by the Opera Web browser.

Programs that open Opera Bookmarks File

How to solve problems with ADR files

  • Associate the ADR file extension with the correct application. On :
    Windows: Right click on any ADR file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ADR files". Mac: Right click (or Ctrl-click) the ADR file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ADR is Opera Bookmarks File. Because only the current version supports the latest ADR file format. Search, therefore, e.g. on the N/A manufacturer website after an available .ADR is Opera Bookmarks File update.
  • To make sure that your ADR file is not corrupted or virus-infected, get the file again and scan it with antivirus software.