Opening old files

Current software, No.

InDesign versions up to and including CS6 were able to convert them.

Regardless, it would be an uphill climb even if you could. Conversions are not 100%, and all graphic links need to be available separately (i.e. not embedded), and if you used Type 1 fonts in the past, you won't be able to use them now, so expect a lot of time to re-work them back into usable shape. Still, you could still save a fair amount of time as opposed to rebuilding your projects from scratch.

Are you a current CC subscriber? and have you had CS6 (or even CS5.5) in the past?

Do you have PDFs of these old files? There are various ways to work with those in a pinch.

Also: There are a few of us here that can do conversions for you (myself included).

https://community.adobe.com/t5/indesign-discussions/opening-old-pagemaker-files/td-p/12147256