I agree that capacity planning is essential in almost all cases, but you don't want a macro-enabled document for this.
You want a database that is connected to approval processes, auditing, pay stubs, people's calendars, etc.
You want a database that is connected to approval processes, auditing, pay stubs, people's calendars, etc.
Does anything like that exist as a service?
The interesting thing is that for the internal capacity planning of her team, she uses my spreadsheet.