Open Roads Designer

Hello, I have some questions to ask. There will be an upgrade to my pc and there are thoughts to updated PowerinRoads and get the OpenRoads Designer. I tried to open in a trial version the old files but it opens as read-only. how can I recognize the old files?I manage to open the dtm file but what about the alg file. I have an existing line of my pipe and I want to use it as my horizontal alignment. How can I import it to my project?

thank you in advance

Alexia

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