You do not have to change a data map when importing data. Before you import your data, export an existing data map, change the exported data map, and then re-import the changed data map for the data import. A data map A file that contains information about how data from a source system corresponds to data in Microsoft Dynamics CRM. must be a well-formed The minimum criteria necessary for XML processors and browsers to read a file. and valid XML file.
In the Navigation Pane, click Settings, click Data Management, and then click Data Maps.
On the Actions toolbar, click Export.
Specify the location in which to save your file, and then click Save.
Open the new data map in your choice of XML editor A tool designed for editing XML files, such as XML Notepad 2007. XML files can also be edited with any text editor, such as Notepad..
Make changes to the data map following the required schema.
In the Navigation Pane, click Settings, click Data Management, and then click Data Maps.
On the Actions toolbar, click Import.
In the Import Data Map dialog box, click Browse, locate the file, and then click OK.
Test the new data map by importing a limited amount of data before importing large amounts of data.
Note
Exported XML files containing data maps can be edited manually. The complete syntax can be found in the Data Map Schema section. More information: Data Map Schema Reference.