Enterprise Administration > Windchill Data Loading > Loading Product Objects and Parts: Windchill PDMLink Example > Loading Product Objects and Parts: Before You Begin
  
Loading Product Objects and Parts: Before You Begin
The examples in this section assume that the legacy data is being delivered in CSV format, and that it has been extracted and formatted as required by the loaders. XML and Java can be used to transform the data from the extracted format into the proper format to load into Windchill (XML). For more information, see Using the CSV2XML Utility and Validating the XML Format.
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Containers improve the organization of Windchill system. In the Windchill user interface, containers appear to the user as contexts. There are three levels of containers: site, organization, and business object. For a more detailed description of containers and how they must be organized, see Working with Containers.
When creating product, project, library, or program containers, use an account that has creator permission for that container, but do not use the default administrator account (for example, wcadmin). This guideline applies to the account you use to perform the operation and any XML elements that associate an account with the container, such as <csvcreator> or <csvuser>. Because the default administrator account is a member of so many container teams, the membership lookup for that account takes too long and causes the method server to start very slowly or time out. For the same reason, do not add the default administrator account as a team member of the container.