For PC and MAC
NOT IMO the inferior Office 365
More companies than you think are members of Microsoft's Home User Program so check whether your employer is!! If they are you can get -
The FULL MS Office Professional Plus 2016 suite. Can be downloaded at any time in future if needed also.
Use the link to check your companies eligibility - most medium/large UK companies are eligible - http://www.microsofthup.com/hupuk/home.aspx?culture=en-GB