The following table lists the intrinsic Visual Basic data types, the functions used to convert one to another, and the functions used to check the data type of a variable.
Table 4 Visual Basic Data Types
| Category | Data Type |
| Intrinsic data types | Boolean, Byte, Currency, Date, Double, Integer, Long, Object, Single, String, Variant (default) |
| Data type conversion functions | CBool, CByte, CCur, CDate, CDbl, CInt, CLng, CSng, CStr, CVar, CVErr, Fix, Int |
| Data type verification functions | IsArray, IsDate, IsEmpty, IsError, IsMissing, IsNull, IsNumeric, IsObject |