A Schedule K-1 is filed annually - https://blog.turbotax.intuit.com/taxes-101/what-is-a-schedule-k-1-form-4460/
You would need the TurboTax Business Edition to file a Schedule K-1 for a Partnership, S Corp, C Corp or an Estate/Trust tax return - https://turbotax.intuit.com/small-business-taxes/
The Business Edition can only be installed on a Windows based personal computer, not on a Mac or Online. The Business Edition cannot complete a personal tax return, Form 1040.
IRS Form 941, Employer's Quarterly Federal Tax Return - https://www.irs.gov/forms-pubs/about-form-941
TurboTax does not support Form 941