To use with the C2R Office Deployment Tool (ODT). Make sure to remove the <Remove*> sections if you don't want to deal with that or are doing a clean install (no previous Office installed)

Office2021-ODT.xml

<!--
	Download link: https://www.microsoft.com/en-us/download/details.aspx?id=49117
	Should this XML fail, use this tool: https://config.office.com/deploymentsettings
    and check this link: https://docs.microsoft.com/en-gb/deployoffice/ltsc2021/deploy
	For detailed information regarding configuration options visit: http://aka.ms/ODT.

	App IDs: https://docs.microsoft.com/en-us/deployoffice/office-deployment-tool-configuration-options#id-attribute-part-of-excludeapp-element
	Usage:
		Download (optional, doesn't show progress): .\setup.exe /download .\Office2021-ODT.xml
			-To see if it is making progress, check the Size vs Size on disk in Properties
		Install: .\setup.exe /configure .\Office2021-ODT.xml
	Log files can be found in %temp% (may have a weird name)
-->
<Configuration ID="9f3def2a-edf3-4230-af5b-de298a114dbf">
    <Add OfficeClientEdition="64"  MigrateArch="TRUE">
        <!-- Channel="PerpetualVL2021" Use only if changing the productID to Volume -->
        <Product ID="ProPlus2021Retail">
            <Language ID="MatchOS" />
            <Language ID="en-gb" />
            <Language ID="MatchPreviousMSI" />
            <ExcludeApp ID="Access" />
            <ExcludeApp ID="Lync" />
            <ExcludeApp ID="OneDrive" />
            <ExcludeApp ID="OneNote" />
            <ExcludeApp ID="Outlook" />
            <ExcludeApp ID="Publisher" />
            <ExcludeApp ID="Teams" />
        </Product>
        <Product ID="LanguagePack">
            <Language ID="MatchOS" />
            <Language ID="en-gb" />
            <Language ID="es-es" />
            <Language ID="MatchPreviousMSI" />
        </Product>
    </Add>
	<Property Name="AUTOACTIVATE" Value="1" />
    <Property Name="FORCEAPPSHUTDOWN" Value="FALSE" />
    <Property Name="DeviceBasedLicensing" Value="0" />
    <Property Name="SCLCacheOverride" Value="0" />
    <Property Name="SharedComputerLicensing" Value="0" />
    <Updates Enabled="FALSE" />
    <RemoveMSI />
    <Remove All="TRUE">
        <!-- Set to TRUE & remove inside to delete every other Office product installed -->
<!--         <Product ID="O365ProPlusRetail" >
        </Product> -->
    </Remove>
    <AppSettings>
        <User Key="software\microsoft\office\16.0\excel\options" Name="defaultformat" Value="51" Type="REG_DWORD" App="excel16" Id="L_SaveExcelfilesas" />
        <User Key="software\microsoft\office\16.0\powerpoint\options" Name="defaultformat" Value="27" Type="REG_DWORD" App="ppt16" Id="L_SavePowerPointfilesas" />
        <User Key="software\microsoft\office\16.0\word\options" Name="defaultformat" Value="" Type="REG_SZ" App="word16" Id="L_SaveWordfilesas" />
    </AppSettings>
    <Display Level="Full" AcceptEULA="TRUE" />
</Configuration>