Answer:
A. Select the file.
B. On the home tab in the clipboard group, click the copy button.
C. Navigate to the folder you want to move the file to and click the paste button.
Step-by-step explanation:
Fil explorer is a system application of a computer system used to hold files and folders of data. The application environment provides access to the system storage where all the data are stored.
OneDrive is an online datacenter that provides storage infrastructure to its users
To save files to OneDrive from the system's file explorer, select the file or folder, copy the file to the clipboard of the explorer and paste it in a folder in OneDrive.