So you have been posting with a Post Preset and now you want to edit the current profiles for that preset.
Changing profiles in a Post Preset is quite easy!
1. Go to Publishing > All Post Presets:
2. Select the Post Preset that you want to edit:
3. On the right side of the dashboard, under Target Profiles, click on the Settings icon:
4. Select/unselect the profiles you want to use for this Post Preset, click Continue then Update:
5. Confirm that the changes are now showing under Target Profiles
Once this is done, all scheduled posts with this Post Preset will now be published to the selected target profiles going forward!