You can choose an operation while creating a template.
Steps
In D365 FSCM go to System administration > Setup > dox42 > dox42 parameters.
Select the General tab, Reports tab or in Report setup.
From the Operation dropdown select the desired entry:
GenerateDocument (default)– for Word template
GenerateSlides – for PowerPoint template
GenerateSpreadSheet – for Excel template
Report setup page
For the operation GenerateSpreadSheet you should put in a Template name, in Report setup the path to the data map of your Excel template.
For every type of report template, you can add an email body template in a Word format only.
Select Save.
Result
You have configured an operation for Word, Excel and PowerPoint templates.