DAU file format description

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

2 filename extension(s) found in our database.

.dau - SPSS Overflow Data

The DAU data files are related to SPSS. The DAU file is a SPSS Overflow Data. SPSS is a comprehensive statistical package that combines data manipulation and statistical analysis. The .dau file holds responses to questions that need to be transcribed, coded, or checked.

Data files
- / -
SPSS Overflow Data related extensions:
SPSS Database
SPSS Chalkboard Data
SPSS Complex Sample Analysis Plan
SPSS Sampling Plan
SPSS Raw Response Data

.dau - NCH Express Dictate Record Data

The DAU data files are related to NCH Express Dictate. The DAU file is an NCH Express Dictate Record Data. NCH Express Dictate is a computer based dictation recording application.

NCH Express Dictate
Data files
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NCH Express Dictate Record Data related extensions:
WhatsUp Gold Virtual Device
Movie Magic Screenwriter Document Backup
Autodesk AutoCAD Plot Style Table Data
Actuate e.Report Basic Information Object
CARIS Marine Navigation Data
Adobe Photoshop Black and White Presets Data

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

Can't open a .dau 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 .dau file extension is often given incorrectly!

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

adu, au, cau, da, dah, dai, dak, day, dua, dxu, fau

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Debian Archive Kit Data
Gcov Data File
Trespasser Game Audio
AutoPlay Media Studio Splash Image
DivX Player Playlist
Dream Aquarium Patch

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> DAU file