Free/Busy URL

vCard header: FBURL

vCard data format: FBURL:[Uri]

Brief description: A URI from which a client can retrieve free/busy information for the object that is represented by the vCard as an iCal file, as specified in [MS-OXCICAL].

Importing to and Exporting from Contact Objects

The FBURL type is imported to and exported from the PidLidFreeBusyLocation property ([MS-OXOCNTC] section