Investors & landlords

On https://turbotax.intuit.com/tax-tips/investments-and-taxes/guide-to-schedule-d-capital-gains-and-los...

Turbo Tax says: "If an exception applies you can still voluntarily report your transactions on Form 8949 which might be easier if you have some transactions that meet the exception requirements and some that don't."

It does not say how to do this.