What parts of Office do you require It has 5 Word, Excel, Powerpoint, Access and Outlook.
I used to be a network administrator for more years than I care to remember and found most people only used about 20% of the functionality of the programs
Kingsoft office now WPS office, Open office and Libre office are very good replicas of Microsoft office and they are free. Kingsoft Office is 2013 is as close a copy of Microsoft Office Word Powerpoint and Excel as you can get
I have used both and installed them for many who did not require a database.
Thunderbird is a god free replacement for Outlook