| A | B |
| Top Margin | 2" |
| Left and Right Margins | 1" |
| Used when someone types the memo for someone else | Reference Initials |
| Included when another document is attached to the memo | Attachment |
| Included when another document is included with the memo | Enclosure |
| Typed in ALL-CAPS | SUBJECT LINE |
| Who the memo is being sent to | TO: |
| Who the memo is from | FROM: |
| Date the memo is being sent | DATE: |
| Tells what the memo is about | SUBJECT: |
| All paragraphs begin at the left margin | Block Format |
| Single Spacing | SS |
| Double Spacing | DS |
| Quadruple Spacing | QS |