[ms-xlsx]: Excel (. xlsx) Extensions to the Office Open xml spreadsheetml file Format

id: An ST_Xstring ([ISO/IEC29500-1:2011] section 22.9.2.19) attribute that specifies the identifier of the Data Model data source. The string MUST be less than or equal to 65535 characters in length. The string length MUST be equal to zero characters if the model attribute equals "true".

model: A Boolean ([XMLSCHEMA2] section 3.2.2) attribute that specifies whether this connection is a connection to the Spreadsheet Data Model. If this element equals "true", the type attribute of the ancestor CT_Connection element, as specified in [ISO/IEC29500-4:2011] section A.2, MUST be equal to "5".

excludeFromRefreshAll: A Boolean ([XMLSCHEMA2] section 3.2.2) attribute that specifies whether this connection is not to be refreshed on Refresh All.

Value	Meaning
"true"	This connection is not to be refreshed on Refresh All.
"false"	This connection is to be refreshed on Refresh All.