DesktopFormFactor element

Specifies the settings for an add-in for the desktop form factor. The desktop form factor includes Office on the web, Windows, and Mac. It contains all the add-in information for the desktop form factor except for the <Resources> node.

Each DesktopFormFactor definition contains the <FunctionFile> element and one or more <ExtensionPoint> elements. For more information, see FunctionFile element and ExtensionPoint element.

Add-in type: Task pane, Mail

Valid only in these VersionOverrides schemas:

• Task pane 1.0
• Mail 1.0
• Mail 1.1

For more information, see Version overrides in the add-in only manifest.

Child elements

Element	Required	Description
ExtensionPoint	Yes	Defines where an add-in exposes functionality.
FunctionFile	No	A URL to a file that contains JavaScript functions.
GetStarted	No	Defines the callout that appears when installing the add-in in Word, Excel, or PowerPoint. If omitted, the callout uses the values from the DisplayName and Description elements instead.
SupportsSharedFolders	No	Defines whether the Outlook add-in is available in shared mailbox (now in preview) and shared folders (that is, delegate access) scenarios. Set to false by default.

DesktopFormFactor example

...
<Hosts>
  <Host xsi:type="Presentation">
    <DesktopFormFactor>
      <FunctionFile resid="residDesktopFuncUrl" />
      <GetStarted>
        <!-- GetStarted callout -->
      </GetStarted>
      <ExtensionPoint xsi:type="PrimaryCommandSurface">
        <!-- Information on this extension point. -->
      </ExtensionPoint>
      <!-- Possibly more ExtensionPoint elements. -->
    </DesktopFormFactor>
  </Host>
</Hosts>
...