1- Open the Remote Desktop Connection app
2- Click on the Options button
3- Click on the Local Resources tab
4- At the bottom of the windows under the "Local devices and resources" section, Click the More button
5- Click the + button to expand the Drives section
6- Check-off your local OS C: drive
7- Click OK
8- Click Connect
9- Once connected, you will see your local C: drive as a mapped network drive within File Explorer.
10- Done!