Escort mainly control writing based on the media like external hard disk or something like that.

Below steps shows how to write files on USB stick under Escort environment by mapping USB stick with folder.

STEP 1. Create a folder that you will map with your USB stick.

STEP 2. Plug-in your USB stick

STEP 3. Run Disk Manager: Windows + R

→ diskmgmt.msc

→ Select disk assigned to your USB Stick

→ Click by mouse right and select "Change Drive Letter/Path"

→ Remove the assigned drive

→ Now you will see your USB stick volume has no mapped drive

→ Click by mouse right

→ Add

→ Select folder you created at STEP 1


Reference:  https://ttend.tistory.com/276