As verbs the difference between informed and inform
is that informed is (inform) while inform is (archaic|transitive) to instruct, train (usually in matters of knowledge).
Is be informed correct?
Yes, "Please be informed that..." is correct, as is "For your information". Both formulations are common and current.
How do you use inform?
1to tell someone about something, especially in an official way inform somebody (of/about something) Please inform us of any changes of address.
- The leaflet informs customers about healthy eating.
- He went to inform them of his decision.
- Inform me at once if there are any changes in her condition.