【http://koenvosters.wordpress.com/2010/04/27/available-field-types-in-sharepoint-2010/】
This post is a compilation of the fldtypes.xml and the fldtypes_*.xml files in SP2010 that gives a clear overview of the field types we can use. I haven’t added the use of each field yet as I need to test each field to get a good feeling of what it does.
Out of the box Field Types
| Name | Use |
| AllDayEvent | |
| Attachments | |
| Boolean | |
| BusinessData | |
| Calculated | |
| Choice | |
| Computed | |
| ContentTypeId | |
| Counter | |
| CrossProjectLink | |
| Currency | |
| DateTime | |
| Decimal | |
| File | |
| GridChoice | |
| Guid | |
| Integer | |
| Lookup | |
| LookupMulti | |
| ModStat | |
| MultiChoice | |
| MultiColumn | |
| Note | |
| Number | |
| PageSeperator | |
| Recurrence | |
| Text | |
| ThreadIndex | |
| Threading | |
| Url | |
| User | |
| UserMulti | |
| WorkflowEventType | |
| WorkflowStatus |
GROUPBOARD Field Types
| Name | Use |
| CallTo | |
| Confirmation | |
| ContactInfo | |
| Facilities | |
| FreeBusy | |
| Overbook | |
| SendTo | |
| WhereAbout |
GROUPBOARD Upgrade Field Types (do not use)
| Name | Use |
| GbwLocation | |
| GbwParticipants | |
| GbwSREnd | |
| GbwSRStart |
Hold Field Types
| Name | Use |
| HoldsField | |
| ExemptField |
Publishing Field Types
| Name | Use |
| HTML | |
| Image | |
| Link | |
| SummaryLinks | |
| LayoutVariationsField | |
| ContentTypeIdFieldType | |
| PublishingScheduleStartDateFieldType | |
| PublishingScheduleEndDateFieldType | |
| MediaFieldType |
SPRating Field Types
| Name | Use |
| AverageRating | |
| RatingCount |
TargetTo Field Types
| Name | Use |
| TargetTo |
Taxonomy Field Types
| Name | Use |
| TaxonomyFieldType | |
| TaxonomyFieldTypeMulti |