P.S. usually capitalized but not always using periods, is an abbreviation meaning “postscript,” an afterthought at the end of a letter, added below the signature. If you add subsequent postscripts, label them PPS. Type PS: or PS. and leave one or two spaces before the first word of the postscript.

How do you write postscript?

Place the letters PS immediately below your signature line. Next, place the line or lines of text you want to add right next to the PS. For digital correspondence like Whatsapp messages or Tweets, it's common to add your PS using a new message.

Is the P in PS capitalized?

The Cambridge Dictionary also says that P.S. (with periods after each letter) is the American English format. ... The safest bet is to capitalize the P and S (use periods after each letter if that's your preference), and leave out any trailing punctuation.