separator

In the object model this is RibbonSeparator.
A vertical bar used to provide a visual separation of controls within a group.
This also has a Title property which can be used to display text on the separator control when used with the following controls: OfficeButton menu, menu or splitbutton

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

<ribbon startFromScratch="true">

<tabs>

<tab id="CustomTab" label="My Tab">

<group id="Group1" label="Group 1">

<button id="button1"

imageMso="ErrorChecking"/>

<separator id="Seperator1"/>

<button id="button2"

label="Some Text"

imageMso="LeaveReader"/>

<separator id="Seperator2"/>

<button id="button3"

imageMso="OutlookTaskCreate"/>

</group>

</tab>

</tabs>

</ribbon>

</customUI>

Attributes (properties)

Callbacks (run-time)