This. Name natters. IME 90% of people I know who want to quickly look through a PowerPoint on Linux will install OpenOffice. Even when they hear that libre is the better version 80% of them would stay with oo as it is the "real" oo.
I think that's when a lot of users moves to LibreOffice.
I have not had any round-trip editing problems flitting between the two under Linuxen of various kinds.
Pleased to meet you. Now you know at least one.
If that's all you need to do, OpenOffice will likely work just fine for you.