PS stands for postscript, originating from the Latin word postscriptum, meaning "written after." Use PS to add short, supplementary information that doesn't fit the main body of an email or letter. Proper formatting for PS includes placing it after your signature and using either PS or P.S., ensuring consistency.
PS is widely used in letters and electronic communication like emails, text messages, instant messages, and social media. Although the punctuation of PS varies, it should always be capitalized. Make sure to punctuate it consistently in all your correspondence.
Ing to the Cambridge Dictionary, the correct American format is 'P.S.' with periods after each letter. In contrast, the Chicago Manual of Style advocates PS without periods.
PS is an abbreviation for the word postscript. Postscript comes from the Latin word postscriptum. When translated into English, it means “written after”. Therefore, a postscript is anything written after the end of a letter or, in this case, an email.