As-is captures how a process works today. To-be maps the improved version. As Bill Gates warned, automating a broken process magnifies the inefficiency. Without both documented, process improvement is guesswork.
A to-be business process is the future state of work after you fix what is broken. McKinsey research suggests roughly 70% of large-scale change programs do not deliver, usually due to employee resistance rather than bad ideas.
Map your as-is business process through employee input before fixing anything. One Tallyfy case study showed a team saving $1 million after discovering 65 employees performing undocumented workflows.