URGENT
| Date | Clue |
|---|---|
| 2022-11-13 | Eye-grabbing email subject line |
| 2022-06-30 | !, in emails |
| 2018-11-27 | All-caps word in an email subject line |
| 2016-05-31 | Subject heading for an important email |
| 2015-09-05 | Pressing |
| 2012-07-03 | Requiring immediate action |
| 2009-02-19 | Pressing |
| 2008-10-04 | Burning |
| 2002-05-11 | Like overnight mail |
| 2000-11-26 | Like a FedEx package |
| 2000-09-11 | FedEx notation |
| 2000-04-08 | Pressing |
| 2000-01-31 | High-priority |
| 1999-11-01 | Word on express mail |
| 1995-05-13 | Pressing |
| 1995-01-08 | Memo word |