Export/Import Equivalence Class Sets
You can import/export equivalence class sets from/to an XLSX file. Select Declaration Editor|File|Import Equivalence Class Set or Declaration Editor|File|Export Equivalence Class Set to import or export an equivalence class set. Or, click Import Equivalence Class Sets from Excel file or Export Equivalence Class Sets to Excel file in the Equivalence Class Set Editor.
TPT always exports all equivalence class sets of a project.
Select an XLSX file. You are warned about differences between the equivalence class set settings in the TPT project and the ones you are about to import.