A
| B
| C
| D
| E
| F
| G
| H
| I
| J
| K
| L
| M
| N
| O
| P
| Q
| R
| S
| T
| U
| V
| W
| X
| Y
| Z
| _1234567890
%DriveLetter%
Refers to any drive letter assigned to fixed, mapped, or removable drives that may be connected to the computer. For example, a USB key connected to the computer may appear as drive D.