Are you using the Desktop program or the Online version? My old notes say.....
You can only import a K-1 to the Desktop CD/Download Software, not to Online version and if you can get a .txf file for it and in the right format. Apparently you can only import K-1s for MLPs and not Trusts or Estates. You can not import a K-1 from Turbo Tax Business Program.
Where to enter a K-1
https://ttlc.intuit.com/turbotax-support/en-us/help-article/import-export-data-files/enter-k-1-recei...
You need to use Online Premium or any of the Desktop programs to enter a K-1.
To enter a K-1 go to
Federal Taxes Tab or Personal (Home & Business version)
Wages and Income
Then scroll way down to S-Corp, Partnerships and Trusts
Schedules K-1 - Click the Start or Update button
Be sure to pick the right kind of K-1. There are 3 kinds, 1041, 1065 & 1120S