How to insert a page break in spreadsheet?

This is the first of three “newbie” questions, and I hope someone will help. I have read the docs and done a Google search, but can’t find an answer.
I’m running Desktop Editor v 7.2.1.36 on Debian 10.

Hello @JTeim

Please be informed that we are currently in the process of verifying the situation and will ensure to keep you updated with any further developments. Thank you for your patience and understanding.

Hello @JTeim

I would like to inform you that we have created a proposal under the reference number 61229 regarding your situation. Our team is currently reviewing and evaluating the proposal, and we will keep you updated on any further developments.