cell_editor.xml

<?xml version="1.0" encoding="UTF-8"?>
<OfficeApp
          xmlns="http://schemas.microsoft.com/office/appforoffice/1.1"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns:bt="http://schemas.microsoft.com/office/officeappbasictypes/1.0"
          xmlns:ov="http://schemas.microsoft.com/office/taskpaneappversionoverrides"
          xsi:type="TaskPaneApp">

  <!-- Begin Basic Settings: Add-in metadata, used for all versions of Office unless override provided. -->

  <!-- IMPORTANT! Id must be unique for your add-in, if you reuse this manifest ensure that you change this id to a new GUID. -->
  <Id>fdec3057-aba4-4b4c-a771-f2710af2880c</Id>

  <!--Version. Updates from the store only get triggered if there is a version change. -->
  <Version>1.0.0.0</Version>
  <ProviderName>X Soul Space</ProviderName>
  <DefaultLocale>en-US</DefaultLocale>
  <!-- The display name of your add-in. Used on the store and various places of the Office UI such as the add-ins dialog. -->
  <DisplayName DefaultValue="Cell Editor" />
  <Description DefaultValue="[Workbook Add-in description]"/>

  <!-- Icon for your add-in. Used on installation screens and the add-ins dialog. -->
  <IconUrl DefaultValue="http://localhost:8080/assets/icon-32.png" />
  <HighResolutionIconUrl DefaultValue="http://localhost:8080/assets/icon-80.png"/>

  <!--If you plan to submit this add-in to the Office Store, uncomment the SupportUrl element below-->
  <SupportUrl DefaultValue="http://xsoulspace.dev" />

  <!-- Domains that will be allowed when navigating. For example, if you use ShowTaskpane and then have an href link, navigation will only be allowed if the domain is on this list. -->
  <AppDomains>
    <AppDomain>localhost</AppDomain>
  </AppDomains>
  <!--End Basic Settings. -->

  <!--Begin TaskPane Mode integration. This section is used if there are no VersionOverrides or if the Office client version does not support add-in commands. -->
  <Hosts>
    <Host Name="Workbook" />
  </Hosts>
  <DefaultSettings>
    <SourceLocation DefaultValue="http://localhost:8080/" />
  </DefaultSettings>
  <!-- End TaskPane Mode integration.  -->

  <Permissions>ReadWriteDocument</Permissions>

  <VersionOverrides xmlns="http://schemas.microsoft.com/office/taskpaneappversionoverrides" xsi:type="VersionOverridesV1_0">
    <Hosts>
      <Host xsi:type="Workbook">
        <DesktopFormFactor>
          <GetStarted>
            <Title resid="GetStarted.Title"/>
            <Description resid="GetStarted.Description"/>
            <LearnMoreUrl resid="GetStarted.LearnMoreUrl"/>
          </GetStarted>
          <FunctionFile resid="Commands.Url" />
          <ExtensionPoint xsi:type="PrimaryCommandSurface">
            <OfficeTab id="TabHome">
              <Group id="CommandsGroup">
                <Label resid="CommandsGroup.Label" />
                <Icon>
                  <bt:Image size="16" resid="Icon.16x16" />
                  <bt:Image size="32" resid="Icon.32x32" />
                  <bt:Image size="80" resid="Icon.80x80" />
                </Icon>
                <Control xsi:type="Button" id="TaskpaneButton">
                  <Label resid="TaskpaneButton.Label" />
                  <Supertip>
                    <Title resid="TaskpaneButton.Label" />
                    <Description resid="TaskpaneButton.Tooltip" />
                  </Supertip>
                  <Icon>
                    <bt:Image size="16" resid="Icon.16x16" />
                    <bt:Image size="32" resid="Icon.32x32" />
                    <bt:Image size="80" resid="Icon.80x80" />
                  </Icon>
                  <Action xsi:type="ShowTaskpane">
                    <TaskpaneId>ButtonId1</TaskpaneId>
                    <SourceLocation resid="Taskpane.Url" />
                  </Action>
                </Control>
              </Group>
            </OfficeTab>
          </ExtensionPoint>
        </DesktopFormFactor>
      </Host>
    </Hosts>
    <Resources>
      <bt:Images>
        <bt:Image id="Icon.16x16" DefaultValue="http://localhost:8080/assets/icon-16.png"/>
        <bt:Image id="Icon.32x32" DefaultValue="http://localhost:8080/assets/icon-32.png"/>
        <bt:Image id="Icon.80x80" DefaultValue="http://localhost:8080/assets/icon-80.png"/>
      </bt:Images>
      <bt:Urls>
        <bt:Url id="GetStarted.LearnMoreUrl" DefaultValue="https://go.microsoft.com/fwlink/?LinkId=276812" />
        <bt:Url id="Commands.Url" DefaultValue="http://localhost:8080/commands/commands.html" />
        <bt:Url id="Taskpane.Url" DefaultValue="http://localhost:8080/" />
      </bt:Urls>
      <bt:ShortStrings>
        <bt:String id="GetStarted.Title" DefaultValue="Get started with your sample add-in!" />
        <bt:String id="CommandsGroup.Label" DefaultValue="Commands Group" />
        <bt:String id="TaskpaneButton.Label" DefaultValue="Cell editor" />
      </bt:ShortStrings>
      <bt:LongStrings>
        <bt:String id="GetStarted.Description" DefaultValue="Your sample add-in loaded succesfully. Go to the HOME tab and click the 'Show Taskpane' button to get started." />
        <bt:String id="TaskpaneButton.Tooltip" DefaultValue="Click to Show a Taskpane" />
      </bt:LongStrings>
    </Resources>
  </VersionOverrides>
</OfficeApp>