What can I do about it (Microsoft)?

Qu
1

I have noticed that this tab keeps appearing in my Microsoft programs and I can't use it. Before that it worked and now it suddenly didn't work. The laptop I used is borrowed from my school. This tab always appears:

What can I do about it Microsoft

What do I have to do so that I can use it again? I barely understand this introduction and my teachers do not answer. Would be grateful for any answer.

st

They want to sell something again.

Get LibreOffice: The operation is analog and the software is free. You get everything that MS Office offers - only as freeware.

https://www.libreoffice.org/

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