When you add archival descriptions to the Clipboard
, then navigate to the clipboard page and click "Export," you don't see XML as an option in the Format drop-down?
Additionally, there should be DC and EAD XML export options on the view page of a description, in the right-hand context menu:
Note that it's better to export from the clipboard, which uses the job scheduler to hande the export, rather than on the view page, which happens via the browser (and may therefore time out for very large descriptions).
If these are not present, one thing you could check is if, in Admin > Plugins, that the sfEadPlugin and sfDcPlugin are enabled - they should both be checked!
If this still doesn't resolve the issue, we will need to know more about your installation to offer further suggestions. See this section of our troubleshooting page for suggestions on information to include: