unfortunatelly such functionality is not available. Also you can open 15 windows simultaneously, only.
as you know, isn't available even n Creo 3.0? Is this functionality planned to be introduced in future releases?
I do not think that this functionality will be ever implemented.
Can you provide more details about your situation? Maybe I can suggest you how to solve it...
No problem if I'm working connected to my Windchill server: through the workspace functionalities I can select multiple files and open them together in session (no more than 15) and this is ok.
But sometimes I need to work in stand-alone mode, and so multi-opening functionality isn't working. It's not a very impactful issue on my productivity, but in my CATIA V5 previous experience this functionality was useful.....so I'm just wondering if I can do the same thing (or similar) with Creo Parametric.
As Martin mentioned, currently this functionality is not available. However you can submit a product Idea for this.
There already is one. Multiple file open functionality using selection ways as known in most operating systems
Until PTC decides to implement it, you could try the alternate methods here: Re: Batch saving and opening multiple files at once
Anything else that can be done to escalate this? This is basic windows functionality in almost every other windows application. Seems a little insane that it isn't a feature in Creo yet.