Help with how to create a Template of an XLSX file

Hello Forum,

I’ve recently installed Collabora on my Nextcloud (version 27.1.7) and I’ve created a Spreadsheet file (.xlsx). I want to make this file a template so our manager can create a new file from the template, share the XLSX file with an employee to have them fill out the details in the Spreadsheet. When the Employee is finished they will send it back to the manager.

Please advise what are the steps that I take to make this XLSX file into a template on Nextlcou > Collabora so that our Manager can create new files on a monthly basis based on the template.

Thank you in advance for any help you can provide me.