Original: File formats OOo can open , December 1 , 2008 [ ] As with the entire OpenOffice.org suite , Calc can be used across a variety of platforms , including Mac OS X , Microsoft Windows , Linux , FreeBSD and Solaris .
Simplified: Just like the entire OpenOffice.org package , Calc can be used on many operating systems , including Mac OS X , Microsoft Windows , Linux , FreeBSD and Solaris .