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Home/ Questions/Q 7518969
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Editorial Team
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Editorial Team
Asked: May 30, 20262026-05-30T01:49:39+00:00 2026-05-30T01:49:39+00:00

I have a C# program which works with files created by itself. The file

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I have a C# program which works with files created by itself. The file can be opened by running the program and then accessing it via the GUI.

How can I open the file without having to run the program explicitly and just by double clicking on the concerned file?

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  1. Editorial Team
    Editorial Team
    2026-05-30T01:49:40+00:00Added an answer on May 30, 2026 at 1:49 am

    You have to add registry entries in your installer to associate your program’s file extension with your application.

    Here is an article in MSDN that will tell you what you need to know about file associations: How File Associations Work

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