Having trouble opening .qss extension? Don't panic! This page explains what qss files are as well as suggests programs you may use to open qss files. You can download these programs through this page.
What is a QSS file?
Qss file extension has Qt Style Sheet file type, developed by Digia, which is associated with the "settings files" category.
To learn how you can open the given file, read the information below.
How to open QSS file?
Double click the qss file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .qss extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.
- Method 1: Fix file association errors
- Method 2: Download the appropriate software
- Method 3: Use universal file viewer
Method 1: Fix file association errors
Follow these steps in order to automatically fix the qss extension associations' problem in no time:
- Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
- Step 2: Click "Start Scan" to identify all potential issues.
- Step 3: Review scan results and click "Fix Items".
File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable
This Tool is Compatible With: 
Method 2: Download the appropriate software
The given list provides programs which may be used for opening or converting the qss file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.
Programs that open QSS files
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Windows
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Digia Qt SDK
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Microsoft Notepad
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MacOS
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Digia Qt SDK
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Linux
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Digia Qt SDK
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Method 3: Use universal file viewer
In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the qss file as well. Download Universal File Viewer for your OS.