backup and restore connections
I have like a hundred database connections. I need to export the list, along with passwords, into an XML file and be able to import them at another installation, another computer.

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AdminDevart (_, Devart) commented
You can export the connection list with the 'Import and Export Settings' feature that can be accessed from the main menu 'Tools -> Import and Export Settings...'. Please note that this feature is not available in the Express Edition.
Also, you can export/import the connection list manually in the system registry:
'HKEY_CURRENT_USER -> Software -> Devart -> dbForge Common Settings -> Connections'.The connection list is shared between dbForge products.