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>> DF4 file

DF4 file format description

Many people share .df4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .df4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .df4 files.

1 filename extension(s) found in our database.

.df4 - Omnis Studio Database File

DF4 file is an Omnis Studio Database File. Omnis Studio is a rapid application development (RAD) tool that allows programmers and application developers to create enterprise, web, and mobile applications for Windows, Linux, and Mac OS X personal computers and servers across all business sectors.

.df4 file format description:
DF4 format description not yet available
Omnis Studio
Development files
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Omnis Studio Database File related links:
Omnis Studio Database File related extensions:
Omnis Studio Ad hoc Report
Omnis Studio Data File
Omnis Native Data File
Omnis Studio v7 Database
Omnis Library
Omnis Application Library

Naturally, other applications may also use the .df4 file extension. Even harmful programs can create .df4 files. Be especially cautious with .df4 files coming from an unknown source!

Can't open a .df4 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 .df4 file extension is often given incorrectly!

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

d4, rf4, dv4, dr4, dfr, df, db4, wf4, f4, dt4, dft, dfe, dc4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Dataphor Source Code
AllyCAD Drawing Document
DataFlex Registration Data
dBASE IV Database
Bosch Security Systems CCTV Video
SmartWare Report Definition File

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

If you have useful information about the .df4 file format, then write to us!