There's very little difference. LibreOffice is an 'offshoot' from OpenOffice. Both programs have the same programs within the suite.
OpenOffice or LibreOffice can open PowerPoint presentations.
An OpenOffice offshoot, this vibrant office suite ensures compatibility with a spectrum of file types.
OpenOffice (ant its forks such as LibreOffice etc.) have a Word processor, a Spreadsheet program a Presentation program, a Database program an equation editor and a whole lot more.
You Can Use openOffice or libreoffice open or edit powerpoint files on Mac
A replacement for MS Office (expensive) is either OpenOffice or LibreOffice (both free).
OpenOffice and LibreOffice are both full office suites used in Linux distributions.
MS Works is a very limited word processor MS Word and OpenOffice (and it's clones, LibreOffice etc) Writer are a full fledged word processors with templates, header and footer automation, etc.
Linux is an operating system kernel. OpenOffice is an office suite (collection of office programs).
I would say OpenOffice or its spinoff LibreOffice
You could try to open it with LibreOffice (or another OpenOffice clone) That had worked for me with corrupt files from previous versions of Microsoft Office).
There are applications designed to open Adobe Acrobat documents, like Evince.
Yes you can open MS Office 2000 documents with OpenOffice and it's cousins LibreOffice (my favorite just now) ApacheOffice (havn't tried it yet but might soon). You can save OpenOffice documents in MS Office 2000 formats too.