The File Extensions Database

.ACCDC File Extension

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

What is an .ACCDC file?

.ACCDC is Microsoft Access Signed Package

Packaged database file created by Microsoft Access, a desktop relational database management system (RDBMS) application; contains a digitally-signed database package that was created from an original .ACCDB database file.

ACCDC files allow users to distribute trusted database files over the Internet. After receiving an ACCDB file, you can import it back into Access by selecting File → Open.... When importing the file, you will be prompted and asked whether or not you trust the signed certificate from the publisher.

Programs that open Microsoft Access Signed Package
Microsoft Access 2016

How to solve problems with ACCDC files

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