| Subject | English | Chinese |
| comp., MS | EXCH50 binary large object | EXCH50 二進位大型物件 (A set of properties, generated and managed by Exchange Server, which is stored with each message and contains metadata about a given message. Often referred to as EXCH50 BLOB) |
| comp., MS | EXCH50 BLOB A set of properties, generated and managed by Exchange Server, which is stored with each message and contains metadata about a given message. Often referred to as EXCH50 BLOB | EXCH50 二進位大型物件 (BLOB) |