You may find our account back up useful for this, as it would export all your suppliers and clients into separate .csv files (amongst other data). You can perform an account back up by following this guide:
In regards to the time it takes to pay report, this isn’t something we support at the moment and it is a bit trickier to add. To quote my colleague from a previous post:
I don’t believe this is something we could support at the moment, but you’re welcome to start a separate feature request thread for this and we can certainly look into it further if there’s enough demand within the QuickFile community.