The File Extensions Database

.ACCDU File Extension

  • Developer by: Microsoft
  • Category: Plugin Files
  • Format: Binary

What is an .ACCDU file?

.ACCDU is Access Add-in File

Plugin file used by Microsoft Access, a relational database management application for the desktop; stores an application component written in Visual Basic for Applications; more commonly uses the .ACCDA extension.

Programs that open Access Add-in File
Microsoft Access 2016

How to solve problems with ACCDU files

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