File Extension Library


.QD1 File Extension

  • Category: Database Files

What is an .QD1 file?

.QD1 file extension has been classified as Database Files.

.QD1 is Omnis Quartz segment 1 data file

The QD1 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 *.qd1 files contain the 1st segment of database data.


How to open:

Currently there is no specific information available, about how to open this file extension.For general information try to look at:Basic info how to open databases

How to convert:

Currently there is no specific information available, about how to convert this file extension. For general information try to look at:Basic info how to convert databases

How to Open .QD1 file on different platforms

Open .QD1 File on Windows

  • Right-click a .QD1
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .QD1 file and Select check box "Always use this app to open .QD1 files" Press "Ok"

Open .QD1 File on Mac

  • Right-click (or Ctrl + Left-click) the .QD1 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 .QD1 File on Linux

Right click on the .QD1 file, choose "Open with" and select a program from the list above

Open .QD1 File on iPhone

Select a file. If you don't see an application to open the .QD1 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 .QD1 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 .QD1 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .QD1 files

  1. You need to update the application that you normally use to open .QD1 files. Only the latest version of the software supports the current .QD1 file format
  2. You need to check the .QD1 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)