Isso funciona, exceto que o Excel não é minimizado
start \min PATH-TO-SPREADSHEET\TODO.xls
\
é um caractere de escape ou um separador de caminho de diretório não um delimitador de opção de comando.
O comando correto é:
start /min PATH-TO-SPREADSHEET\TODO.xls
Sintaxe
START "title" [/D path] [options] "command" [parameters]
Key:
title Text for the CMD window title bar (required.)
path Starting directory.
command The command, batch file or executable program to run.
parameters The parameters passed to the command.
Options:
/MIN Start window Minimized.
/MAX Start window Maximized.
/W or /WAIT Start application and wait for it to terminate.
(see below)
/LOW Use IDLE priority class.
/NORMAL Use NORMAL priority class.
/ABOVENORMAL Use ABOVENORMAL priority class.
/BELOWNORMAL Use BELOWNORMAL priority class.
/HIGH Use HIGH priority class.
/REALTIME Use REALTIME priority class.
/B Start application without creating a new window. In this case
Ctrl-C will be ignored - leaving Ctrl-Break as the only way to
interrupt the application.
/I Ignore any changes to the current environment.
Use the original environment passed to cmd.exe
/NODE The preferred Non-Uniform Memory Architecture (NUMA)
node as a decimal integer.
/AFFINITY The processor affinity mask as a hexadecimal number.
The process will be restricted to running on these processors.
Options for 16-bit WINDOWS programs only
/SEPARATE Start in separate memory space. (more robust) 32 bit only.
Fonte Iniciar - Iniciar um programa - Windows CMD - SS64.com
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