Deleting historical data

Hello,
I have been testing new sensors and have some bad data in some of my historical logs.
What is the best way to delete the data without affecting the rest of the configuration?
Can I delete/replace the selected files using Filezilla? or there is a better way?
Thanks for your time

You can erase the historic log file from Setup > System > storage Erase and format. Check the Historical recording file.

Deryck thank you very much for your prompt response!

Your welcome! Have a great week!