File list (Check if you may need any files):
4 KEY\4X1 Keys\4K1\4K1.dep
.....\........\...\4K1.ewd
.....\........\...\4K1.ewp
.....\........\...\4K1.eww
.....\........\...\Backup of 4K1.ewd
.....\........\...\Backup of 4K1.ewp
.....\........\...\BoardConfig.h
.....\........\...\Debug\Exe\4K1.d43
.....\........\...\.....\Obj\4K1.pbd
.....\........\...\.....\...\main.r43
.....\........\...\main.c
.....\........\...\settings\4K1.cspy.bat
.....\........\...\........\4K1.dbgdt
.....\........\...\........\4K1.dni
.....\........\...\........\4K1.wsdt
.....\........\..4\4K4.dep
.....\........\...\Debug\Obj\4K4.pbd
.....\........\...\settings\4K4.cspy.bat
.....\........\...\........\4K4.dbgdt
.....\........\...\........\4K4.dni
.....\........\...\........\4K4.wsdt
.....\..4 Keys\16K1\16K1.dep
.....\........\....\16K1.ewd
.....\........\....\16K1.ewp
.....\........\....\16K1.eww
.....\........\....\Backup of 16K1.ewd
.....\........\....\Backup of 16K1.ewp
.....\........\....\BoardConfig.h
.....\........\....\Debug\Exe\16K1.d43
.....\........\....\.....\Obj\16K1.pbd
.....\........\....\.....\...\Keypad.pbi
.....\........\....\.....\...\Keypad.r43
.....\........\....\.....\...\main.pbi
.....\........\....\.....\...\main.r43
.....\........\....\gdata.h
.....\........\....\Keypad.c
.....\........\....\Keypad.h
.....\........\....\main.c
.....\........\....\settings\16K1.cspy.bat
.....\........\....\........\16K1.dbgdt
.....\........\....\........\16K1.dni
.....\........\....\........\16K1.wsdt
.....\..1 Keys\4K1\Debug\Exe
.....\........\...\.....\List
.....\........\...\.....\Obj
.....\........\..4\Debug\Exe
.....\........\...\.....\List
.....\........\...\.....\Obj
.....\..4 Keys\16K1\Debug\Exe
.....\........\....\.....\List
.....\........\....\.....\Obj
.....\..1 Keys\4K1\Debug
.....\........\...\settings
.....\........\..4\Debug
.....\........\...\settings
.....\..4 Keys\16K1\Debug
.....\........\....\settings
.....\..1 Keys\4K1
.....\........\4K4
.....\..4 Keys\16K1
.....\4X1 Keys
.....\4X4 Keys
4 KEY