Ribbon UI XML Namespace

You need to save the Custom Ribbon UI file in your office document (.xlsm, .docm, .pptm)

Use "Custom UI Editor For Microsoft Office", "Office RibbonX Editor" to make editing more easier.

You can use another XML (eXtensible Markup Language) editor, for example "Microsoft XML Notepad", "Oxygen XML Editor", "Alova XML Spy", "Liquid XML Studio" or other text editor and IDE for your option with XML plugin.

Microsoft Office 2007 Custom Ribbon UI Namespace

<customUI xmlns="http://schemas.microsoft.com/office/2006/01/customui">

file: customUI.xml

folder: \customUI

Microsoft Office 2010 Custom Ribbon UI Namespace

<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui">

file: customUI14.xml

folder: \customUI

Microsoft Office 2010 Custom Ribbon UI DTD Schema

<Relationship Id="R43c63e08ca974dfc" Type="http://schemas.microsoft.com/office/2006/relationships/ui/extensibility" Target="customUI/customUI.xml"/>

file: .rels

folder: _rels

Bibliography

https://bettersolutions.com/index.htm

https://learn.microsoft.com/ ( manual ebook )

https://officeoneonline.com/index.html

https://vba.co.id/

https://www.brightcarbon.com/

http://www.pptalchemy.co.uk/