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how to set 3CX desktop app as default Click2Call app
open the start menu and type in default apps. select “Default apps System settings”
![app1](https://nspeak.net/wp-content/uploads/2021/12/app1.png)
![app2](https://nspeak.net/wp-content/uploads/2021/12/app2.png)
if you are on Windows 11 you will need to search for “CALLTO”, “TCX+APP”, and “TEL” in the “Enter a file type or link type” search field.
![Microsoft](https://nspeak.net/wp-content/uploads/2021/12/Microsoft.png)
change the “CALLTO”, “TCX+APP”, and “TEL” default apps to 3CX desktop application
![app3](https://nspeak.net/wp-content/uploads/2021/12/app3.png)
![app4](https://nspeak.net/wp-content/uploads/2021/12/app4.png)
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