The name is before the dot. After the dot there comes the extention: name dot extention.
clip_0001.dv > clip_0001.mp4
>>>>>>>>>>I’ll make sure that only ‘File Name’ is ticked this time. – Does all of
this mean that all the new converted .mp4 files will relink into the
timeline clips all in one go?>>>>>>>>>>>>>>>
Why not make a dummy project and experiment.