I'd suggest you change
for /F %%i in ('dir /s /b "ToConvert\*.*"') do (
dir/s/b "ToConvert\*" >> "Jobs.txt"
to
for /F "delims=" %%i in ('dir /s /b "ToConvert\*.*"') do (
echo(%%~dspnxi >> "Jobs.txt"
to output the shortname to jobs.tst
.
or perhaps
echo(%%~dspi%%~nxi >> "Jobs.txt"
may be better.
(can't test - no test directories available to me)