Product Life Cycle searching
When does a Microsoft product expire, when does Mainstream or Extended support end? Over the last few weeks I've been asked this probably more than any other question. You can see what Mainstream and Extended mean here
The main page you will want to read is: https://support.microsoft.com/en-gb/lifecycle/search
As well as the SEARCH feature, by Product Name or Time Range you have lots of other options:
I find the ANNOUNCEMENT section especially useful to filter by Product expiring in H1 /H2 or in the current support year. 
Also a good read: