2.1.1 Ribbon and Backstage Customizations

Content type

application/xml

Root namespace:

http://schemas.microsoft.com/office/2009/07/customui

Source relationship:

http://schemas.microsoft.com/office/2007/relationships/ui/extensibility

An instance of this part specifies ribbon and Backstage customizations. A package is permitted to contain at most one ribbon and Backstage Customizations part, and each part MUST be the target of an explicit relationship from the root package, as specified in [ISO/IEC29500-1:2016] section 9.2.

A ribbon and Backstage Customizations part is permitted to contain explicit relationships to Image Parts, as specified in [ISO/IEC29500-1:2016] section 15.2.14.

The syntax of the structures contained in this part uses XML schema definition (XSD), as specified in [XMLSCHEMA1] and [XMLSCHEMA2].

This specification defines and references various XML namespaces by using the mechanisms specified in [XMLNS].

The content of the part is XML. The root element for the part is the customUI element, as specified in section 2.2.1.