When you double click CRW files on computer, the associated program will be launched to open the selected CRW file. But you can change it to any program at your pleasure.
a) Select a program to open CRW files on Windows
Right-click on the CRW file and go through 'Open with' > 'Choose default program'. In the pop-up windows, choose a program as the CRW file opener. If you decide to always open CRW files with the program, only check the option 'Always use the selected program to open this kind of file'.

b) Select another application to open CRW files on Mac
First Get Info about any one of CRW files by right-clicking or Command-I, and click 'Open with' arrow to choose a program to start your CRW file. Click 'Change All' button to set the selected application as the default CRW file opener app.

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