Follow steps below:
- Connect Kindle device to your computer
- Open Knotes, go to [Preferences] > [Import]
- Setup the path of My Clippings.txt file
- Open sync menu of Knotes, select [Manual Import] > [Kindle Devices]
If you made highlights or notes in Kindle, you will find a text file called MyClippings.txt in the
documentsfolder of your Kindle disk.