File Extension Library


.DF4 File Extension

  • Developer by: TigerLogic Corp. (Omnis Technology Corporation)
  • Category: Database Files

What is an .DF4 file?

.DF4 file extension is created by TigerLogic Corp. (Omnis Technology Corporation). .DF4 has been classified as Database Files.

.DF4 is Omnis Studio database file format

The df4 file extension is associated with Omnis Studio, a rapid application development (RAD) available for various platforms, developed by Omnis Software.

The df4 file stores database from Omnis Studio.


How to open:

Use Omnis Studio to work with *.df4 files.

How to convert:

Omnis Studio may be able to export *.df4 files to other formats.

How to Open .DF4 file on different platforms

Open .DF4 File on Windows

  • Right-click a .DF4
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .DF4 file and Select check box "Always use this app to open .DF4 files" Press "Ok"

Open .DF4 File on Mac

  • Right-click (or Ctrl + Left-click) the .DF4 file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .DF4 File on Linux

Right click on the .DF4 file, choose "Open with" and select a program from the list above

Open .DF4 File on iPhone

Select a file. If you don't see an application to open the .DF4 file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .DF4 File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .DF4 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .DF4 files

  1. You need to update the application that you normally use to open .DF4 files. Only the latest version of the software supports the current .DF4 file format
  2. You need to check the .DF4 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)