Since the upgrade, the internal information is quite small and can’t be viewed easily. is there a way of getting a larger field back like the NOTES field. this is how it use to be in an older version and we use to keep critical invoice info in there that can only be viewed by us
Have a look at how to use custom fields.
See: Guides | Manager
What happened is that Internal information
used to be in-built field which has been converted into custom field. You can change this custom field size by going to Custom fields
under Settings
tab.