A MAPI property value. Property values can either be passed from python into MAPI functions, or returned from MAPI functions to Python.
| propType | value |
| PT_I2 | An integer case PT_SHORT: |
| PT_MV_I2 | A sequence of integers |
| PT_I4 | An integer case PT_LONG: |
| PT_MV_I4 | A sequence of integers |
| PT_R4 | A float case PT_FLOAT: |
| PT_MV_R4 | A sequence of floats |
| PT_R8 | A float case PT_DOUBLE: |
| PT_MV_R8 | A sequence of floats |
| PT_BOOLEAN | A boolean value (or an int) |
| PT_APPTIME | A PyTime object |
| PT_MV_APPTIME | An sequence of PyTime object |
| PT_SYSTIME | A PyTime object |
| PT_MV_APPTIME | An sequence of PyTime object |
| PT_STRING8 | A string or PyUnicode Copy into new MAPI memory block |
| PT_STRING8 | A sequence of string or PyUnicode objects. |
| PT_UNICODE | A string or PyUnicode Bit of a hack - need to copy into MAPI block. |
| PT_MV_UNICODE | A sequence of string or PyUnicode |
| PT_BINARY | A string containing binary data |
| PT_MV_BINARY | A sequence of strings containing binary data |
| PT_CLSID | A PyIID |
| PT_MV_CLSID | A sequence of PyIID objects |
| PT_I8 | A PyLARGE_INTEGER |
| PT_MV_I8 | A sequence of PyLARGE_INTEGER |
| PT_ERROR | An integer error code. |
| PT_NULL | Anything! |