The steps.
Open Track and choose Time, Expenses or Mileage. Add the date, customer and relevant hours, price or cost.
Mark an entry billable when you intend to pass it on to a customer. Review the values and customer before invoicing.
Select compatible entries and choose Transfer to invoice. Review the resulting invoice before downloading or emailing it.
Before you finish.
These records support your own bookkeeping. They do not file tax returns or determine whether an expense is tax deductible.