What song files can I open in Reason 13?

The following song file types can be opened in Reason 12:

• Reason song files (.reason, .rsndemo, .rns, .rps)
• Reason Intro song files: (.rei, .reidemo)
• Reason Lite song files: (.relt, .reltdemo)
• Reason Essentials song files (.ree, .reedemo)
• Reason Limited song files (.rltd)
• Reason Adapted song files (.rsb)
• Record song files (.record, .recdemo)

Note that song files created in Reason 13 cannot be opened in earlier Reason versions!

Also note that songs created in a DAW using Reason 13 Rack Plugin cannot be opened in the same DAW using Reason 12 Rack Plugin or earlier!