File Extension Library


.QD2 File Extension

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

What is an .QD2 file?

.QD2 file extension is created by TigerLogic Corp. (Omnis Technology Corporation). .QD2 has been classified as Database Files.

.QD2 is Omnis Quartz segment 2 data

The qd2 file extension is associated with Omnis Quartz, one of the first GUI databases for Microsoft Windows. The latest product of this family is called Omnis Studio.

The qd2 files contain the 2nd segment of database data.


How to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

How to Open .QD2 file on different platforms

Open .QD2 File on Windows

  • Right-click a .QD2
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .QD2 file and Select check box "Always use this app to open .QD2 files" Press "Ok"

Open .QD2 File on Mac

  • Right-click (or Ctrl + Left-click) the .QD2 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 .QD2 File on Linux

Right click on the .QD2 file, choose "Open with" and select a program from the list above

Open .QD2 File on iPhone

Select a file. If you don't see an application to open the .QD2 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 .QD2 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 .QD2 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .QD2 files

  1. You need to update the application that you normally use to open .QD2 files. Only the latest version of the software supports the current .QD2 file format
  2. You need to check the .QD2 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)