I posted this issue in the feedback tracker, but I have not gotten a response yet so I'm posting this here too.
I have some skin files from a long time ago and there is no export options for these files. Here is an example: - as you can see only one price option in there, no export price. Since I created these a very long time ago, I no longer have the original file so can't update them using the smart gallery. I tried updating using content uploader and replacing with a new version, but it still did not give me an export option. 
All my skin files will get deleted unless i have them set to export so if someone could help me figure this out, I would appreciate it. 



link to feedback tracker post
No export option available for some skin files? - FeedBack Tracker (reallusion.com)