Disabling Autosave in MP also disables in SP
Disabling Autosave in MP also disables in SP
I cant also find a way to turn it back on. As far as I know anyway.
Re: Disabling Autosave in MP also disables in SP
It's in options -> other -> autosave interval. And the two are linked - which is on purpose 

If you want to get ahold of me I'm almost always on Discord.