The File Extensions Database

.ACD-BAK File Extension

  • Developer by: MAGIX
  • Category: Audio Files
  • Format: Binary

What is an .ACD-BAK file?

.ACD-BAK is MAGIX ACID Project Backup File

Backup file created by MAGIX ACID Pro, Music Studio, or Xpress; stores a backup copy of the currently open .ACD project; saves the real-time copy of the project while editing a music compilation.

ACD-BAK files are created automatically by the software. They are saved to the same directory as the ACD project file. The ACD-BAK file can be used for restoring the most recent edits in the event the program unexpectedly shuts down.

NOTE: ACID was developed by Sony until it was sold to MAGIX in 2016.

Programs that open MAGIX ACID Project Backup File
MAGIX ACID Music Studio 10
Sony ACID Xpress

How to solve problems with ACD-BAK files

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