Related Clues:

• 'Oh, also ...,' in text messages
• Business-env. letters
• 'Eyes only' abbr.
• 'Incidentally,' in chat rooms
• Business envelope abbr
• Memo abbr
• Envelope abbr
• E-mail heading: Abbr
• Memo-directing abbr
• Top-of-memo abbr
• Start of an aside, to tweeters
• FYI relative
• Memo-routing abbr
• Bus. envelope abbr
• Texter's "Oh, before I forget ..."