RAW files : Panasonic GX7
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CHeck out this list. It shows every camera and the minimum raw file version you need to use.
In your case, the GX7 raw files are supported by ACR version 8.2 or higher. Check your photoshop to see what raw file version it takes.
https://helpx.adobe.com/camera-raw/kb/camera-raw-plug-supported-cameras.html
In your case, the GX7 raw files are supported by ACR version 8.2 or higher. Check your photoshop to see what raw file version it takes.
https://helpx.adobe.com/camera-raw/kb/camera-raw-plug-supported-cameras.html

Your friend might also be interested in this list too.
https://helpx.adobe.com/camera-raw/kb/camera-raw-compatible-applications.html
https://helpx.adobe.com/camera-raw/kb/camera-raw-compatible-applications.html