Determine project platform

Hi! Let’s say I have many backups of a project (a project which has switched platforms many times) - that is for an older version of unity and would take hours to reimport (and there are dozens such backups) - how do I find out which one is for which platform without opening it in unity? (the project files seem to be named for the initial project platform)

Not sure if there’s a way, I just had a quick look into my project folder backups (which are sorted by platform and date), and didn’t find any info which could tell.

I’m sure this is the last thing you want to hear now and it doesn’t help either, but it may definitely help you in future to sort and order your backups right from the beginning…