DAI file format description

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

1 filename extension(s) found in our database.

.dai - Dream Aquarium Patch

The DAI data files are related to Dream Aquarium. The DAI file is a Dream Aquarium Patch. Dream Aquarium is a virtual aquarium and screensaver for Microsoft Windows.

Dream Aquarium
Data files
- / -
Dream Aquarium Patch related extensions:
RapidReader Document
ImageGadget Template
Veeam Monitor Report
Mail.dat Header File
Slob Dictionary Data
StuffIt Library Data

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

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

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

adi, ai, cai, da, dak, dal, dau, di, dia, dwi, dxi, dzi, fai, rai, sai

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

AutoPlay Media Studio Splash Image
Warcraft 3 AI Data
FASTA Index Data
SPEFO Stellar Spectra Analysis Data
Gcov Data File
Debian Archive Kit Data

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

DataTypes.net >> DAI file