The File Extensions Database


.D71 File Extension

  • Developer by: VICE
  • Category: Emulator Files

What is an .D71 file?

.D71 is Commodore emulator data

The d71 file extension is associated with emulators of Commodore C64 and Commodore C128 8-bit home computers popular in the 1980s.

The d71 file is used with emulation of VIC-1571 double sided diskette drive.


How to open:

Use Vice to work with *.d71 files.

How to convert:

Probably cannot be converted to anything else.

How to solve problems with D71 files

  • Associate the D71 file extension with the correct application. On :
    Windows: Right click on any D71 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.D71 files". Mac: Right click (or Ctrl-click) the D71 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 .D71 is Commodore emulator data. Because only the current version supports the latest D71 file format. Search, therefore, e.g. on the VICE manufacturer website after an available .D71 is Commodore emulator data update.
  • To make sure that your D71 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.