Letters Writing on latest format for students, Letters, Applications, Drafts on various categories formal and informal letters for class 7, 8, 9, 10, 12 and College Examination.
some people do use it in formal contexts so it depends on who is on the receiving end of your letter/email/message. You may also use "etc." which is commonly used even in formal contexts. However in my opinion, it is as vague as "as so on". An alternative would be to list out...
A query letter is a letter asking an editor if he or she would consider accepting a work of writing for publication consideration. You need to describe the work in question well enough to give the editor a good idea of what it is about. 4 Use email to contact human resources. If you...