File Extension Library

.QSS File Extension

  • Developer by: Digia
  • Category: Settings Files
  • Format: Text

What is an .QSS file?

.QSS file extension is created by Digia. .QSS has been classified as Settings Files. The format of .QSS file is Text.

.QSS is Qt Style Sheet

Style sheet file used by Qt (pronounced "cute") programs; contains definitions for the look and feel of GUI elements, including fonts, sizes, colors, layouts, and mouse-over behaviors; stores a library of styles that can be incorporated into a user interface.

Qt is a cross-platform development framework used to create applications in multiple environments without recompiling program code. It is used by Google Earth as well as VLC media player.

QSS files are similar to .CSS files. They can be created with any text editor.

NOTE: Qt SDK was previously developed by Nokia before Digia acquired the software.

List of all softwares that can open the Qt Style Sheet
Digia Qt SDK
Microsoft Notepad
Digia Qt SDK
Digia Qt SDK

How to Open .QSS file on different platforms

Open .QSS File on Windows

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

Open .QSS File on Mac

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

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

Open .QSS File on iPhone

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

How to fix problems with .QSS files

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