That is the correctly spelling of official.
Official is the correct spelling!
That is the correct spelling of "officially" (determined by an authority).
The correct spelling is official.
The correct spelling is "official."
The correct spelling is official (legal, or authentic, or someone in authority).
That is the correct spelling of "certification" (official confirmation or declaration).
The correct spelling of the adverb is "officially" (legally, or by an official).
The correct spelling is officially (in a legal or official capacity).
The correct spelling of the word is referee (a sports official).
The correct spelling is umpire (a sports field official).
That is the correct spelling of "ranger" (a forestry official, or specialized soldier).
It is correctly spelt official, beginning with the letter "o" and not "a."