...
After selecting the configuration file, a form will appear to enter a password to import encrypted fields. This is the password which was set during export. If no password is entered then no encrypted data will be imported.
If Publish Streams is ticked, publishing will be run at the end of the import. This means that changes to Streams and Stream Attributes will be applied to the stream data tables in the database.
When import is complete log messages in System Console will list which objects have been imported.