Can one explain me a little about the use of
I have many posts in others about describing such things.
Consider I'm describing a process: saving one (MS Word)file as html.
When saved as as html, they are/were . . .
When saving as html, they are/were . . .
When I save them as html, ...
When I saved them as html, ...
When I've saved them as html, ...
I'm poor in grammar, I'm not sure which is best.
And the choice of the past participle and the present participle,
Maybe some subjunctive in Clause lead by