>> ACCDU file

ACCDU file format description

Many people share .accdu files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .accdu file can be edited, converted or printed with. On this page, we try to provide assistance for handling .accdu files.

1 filename extension(s) found in our database.

.accdu - Microsoft Access Add-in Data

The ACCDU data files are related to Microsoft Office Access. The ACCDU file is a Microsoft Access Add-in Data. Microsoft Office Access is a database management system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools.

Microsoft Office Access
Data files
- / -
Microsoft Access Add-in Data related extensions:
Microsoft Word 5 for Mac Custom Dictionary Data
Microsoft Works Communications Script Backup
Microsoft Windows Migration Table Data
Microsoft Money 2007 Backup Data
Microsoft SQL Server Data Source View
Microsoft Windows Catalog Service Data

Naturally, other applications may also use the .accdu file extension. Even harmful programs can create .accdu files. Be especially cautious with .accdu files coming from an unknown source!

Can't open a .accdu file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .accdu file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Microsoft Access 2007 Database

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .accdu file format, then write to us!