Excuse me:
I don't know how to open the .ppk file.


Excuse me:
I don't know how to open the .ppk file.


Hi,
You have to press the Load button on the panel on the left side
: 
That will open find explorer, where you'll have to find your log file. The saved log data should then be displayed in the nRF Connect Power Profiler app.
regards
Jared