| Version | Date | Upgrade Remarks |
| 4.0.1.19 | 11/08 | Use hotfix 2 (must be a version 4.0) |
| 4.0.1.17 | 05/05 | Use hotfix 1 (must be a version 4.0.1.15) |
| 4.0.1.15 | 2/05 | Currently Shipping Version |
| 3.2.1.4 | 07/02 | Use hotfix 1 (must be at version 3.2.1.3) |
| 3.2.1.3 | 05/02 | Use service pack 1 (must be at version 3.1) |
| 3.1 | 11/01 | n/a |
| 2.53 | 7/00 | Use service pack 4 (must be at version 2.5) |
| 2.52 | 3/00 | Use service pack 2 (must be at version 2.5) |
| 2.51 | 5/99 | Use service pack 1 (must be at version 2.5) |
| 2.5 | 12/98 | 2.5 upgrade works with versions 1 or 2 |
| 2.0 | 12/97 | Adds optional Multi-User (network) capability |
| 1.0 | 2/97 | n/a |