| Abbreviation | Definition |
|---|---|
| XNE | Xerox New Enterprises |
| XRIM | eXtreme Resources In Money |
| XRIM | Xtreme Resources In Management |
| XRM | eXtended Relationship Management |
| XTC | Xerox Toner Cartridge |
| XTLA | eXtended Three Letter Acronym |
| XXL | extra extra large |
| XXXL | extra extra extra large |
| XXXL | very very very large (French: très,très,très grand) |
| XYLOP | Ex-Young Lady (wife) Answered Fone |
| Y/N | Yes or No |
| YAG | Year At a Glance |
| YBE | Young Black Entrepreneurs |
| YBG | Your Best Guess |
| YBP | Your Business Partner |
| YDP | Yes Do Please |
| YED | Income (Y) Elasticity (E) of Demand (D) |
| YEO | Young Entrepreneurs' Organization |
| YEO | Your Eyes Only |
| YES | You Expect Success |