I think I may have uploaded a version of the manuscript which was loaded with markups and typos. I can’t see what was submitted now. I sent an email to the editorial staff telling them I was concerned that I uploaded the wrong version. What is the likelihood they will let me send the correct version if it explicitly says on website “no changes after submission”? (The reason I think it was wrong version, the name they gave my manuscript file on submission included a date that matched earlier version manuscript, (If that makes sense)coincidence?)
The odds are very good they'll let you do it. They have nothing to gain by sending a badly-formatted manuscript for review. You could even submit the correct version as a separate submission now and the most that'll happen is some minor inconvenience for the journal staff (this is when the duplicate submission flag kicks in).
Worst case scenario, you can withdraw your submission and resubmit with the correct version.