'Error! Filename not specified' when Saving a Document from Office Connector
Microsoft Excel reports the error message:
Error! Filename not specified when trying to save a file back to Confluence after it's been opened by office connector.
See WBDV-52. Windows can only handle webdav strings of a certain length due to a limitation in the NTFS filesystem.
Make the path shorter by moving the attachments further up the space hiearachy.