+1 for this. It's a basic function that literally every other serious DAW already has. I do not want to have to call up an Explorer window and rename the file I just exported every single time I export a new version. It may seem like a small thing, but I do this many times a day and it's seriously impacting my workflow.
I'm a professional editor and I started working with Studio One a few weeks ago, but just last week I decided to try using it for *all* my paid projects, in a sink-or-swim sort of way, hoping to get up to speed as quickly as possible. Since then I've been very impressed with it generally, but I've discovered one trivial annoyance after another in the way files are exported! Nothing huge or gamechanging, but it adds up to the fact that S1 really isn't built with professionals in mind. The annoying thing, though, is that they're all really, really easy fixes, and it would be so easy for S1 to take that crucial step up into the professional world. I really hope the development team pay attention to FRs like this one - they're not likely to get many upvotes, because I guess working professional editors, mixers and mastering engineers are a minority of S1's users, but these features are so, so important if Studio One is intending to supplant Pro Tools or Logic as the tool of choice for those of us who use our DAW eight hours a day, five days a week.