Importing messages Note: This feature is available in test environment only. You can only import XML and flat files and a maximum file size of 1 MB. On the Enterprise Collaborator Administration screen, select Communication > Import Message. Click the folder icon in the Import File field and select the file to import. Click Upload. A message is displayed, indicating that the message is sent successfully. An error message is displayed when you upload an unsupported file type. View the imported message. See Viewing message details.