Most well known order (Some say there are 28 letters of the alphabet but other say 29 as they list the alif and the hamzah separately):
You will also see the order slightly different at the end of the alphabet in India and Pakistan. It will have the waaw before the haa and then hamzah before yaa.
Abjadiyyah Order used in exams, formal writing to list points:
ا
ب
ج
د
ه
etc..
أ ب ت ث ج ح خ د ذ ر ز
س ش ص ض ط ظ ع غ
ف ق ك ل م ن ه و ي
You will also see the order slightly different at the end of the alphabet in India and Pakistan. It will have the waaw before the haa and then hamzah before yaa.
Abjadiyyah Order used in exams, formal writing to list points:
ا
ب
ج
د
ه
etc..
أَبَجَدَ
هَوِّز حُطِّي كَلِمَنْ
سَعْفَص
قَرَشْتِ
خ ذ ض ظ ع