Open File Explorer

Open STL on Windows OS

• Locate STL file in Windows Explorer and right-click on it.
• Look for the "Open with" menu option in the popup menu. If you open this menu you will see list of the applications which can open STL file.
• If there are no programs which can open the STL file are installed you will see "Open with..." button in the popup menu. Click on it.
• Dialog will open with Windows OS suggestion about what application can open STL file.
• If you do not see the application which correctly matches the file try to search the internet for one of the apps mentioned above or look for technical file description below. Each description have "Application name" in it which can open the STL file.
• If "Application name" is missing look for the "Windows Object" and "Executable command" fields because they typically contain application which can open STL file.

Open .stl File and STLFile.

File Extension	.stl
Description	Certificate Trust List
Sample File Name	[Sample File].stl
Windows Object	STLFile
Executable Command To Open .stl File	%SystemRoot%\system32\rundll32.exe cryptext.dll
Mime Type	CryptExtOpenCTL %1
Links	How to open STL File instructions on extensionfile.net Placing it here to fix Firefox 2.0 layout links

Open .stl File and STLFile.

File Extension	.stl
Description	Certificate Trust List
Sample File Name	[Sample File].stl
Windows Object	STLFile
Executable Command To Open .stl File	C:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenCTL %1
Mime Type	application/vnd.ms-pki.stl
Links	How to open STL File instructions on extensionfile.net Placing it here to fix Firefox 2.0 layout links