In addition to the possibility the files are read-only, ensure the Folders.dbx file is present. The import process may not work without a valid Folders.dbx file. If the Folders.dbx file is absent, exit and restart Outlook Express to re-create this file.
For additional information about the Folders.dbx file, click the following article number to view the article in the Microsoft Knowledge Base:
Artikelnummer: 252603 – Letzte Überarbeitung: 26.01.2007 – Revision: 1