Final answer:
Sales managers can explore the data entities in the Data Management Workspace or the Dynamics 365 database schema to import data into an Excel template.
Step-by-step explanation:
To determine the different entities that sales managers can use to import data into an initial Excel template, there are two primary methods that can be utilized. One effective way is to explore the data entities in the Data Management Workspace. This allows access to a list of all the data entities that can be used to manage data import/export. Another approach is to explore the Dynamics 365 database schema, where the underlying structure of the database can be analyzed to determine the best way to organize and import data into Excel.