User cannot change to default toolbar interface. You can change to Ribbon menus (called tabbed in Writer) and several other variants.

The default interface in Libre Office is the standard toolbar setup.

If I'm to paste as unformatted text into Word I have to press Alt+H, V, T (sometimes the Alt+H fails to activate so then the key presses insert errors into the document). And you can map the keyboard shortcuts all your own way.

In Libre Office (applies to all application within the suite) you can rearrange the buttons excactly the way you want.

Libre Office can be used as a portable application, can put it on a usb stick and use it without touching system settings (i.e.

Libre Office ships with a separate drawing program, simply called 'Draw' that both can be used as a standalone application but also integrates into the other applications (insert into spreadsheet, document or presentation).In Libre Office there are the Math program that integrates into Calc (spread sheet), Writer and Impress (presentations) - and it also works as a separate application, making it easy to create long formulas, then save as separate file and then when finnishet can be inserted into the main document. MS Office doesn't include a formula editor, this is something one must buy as a separate addon.

Well, here is some more practical differences (may not apply to all MS licenses) - not including the web based version of MS Office.

Libreoffice vs openoffice 2019