Cheapest office I could find for upto 5 PCs
•Office for the entire household on up to 5 PCs, Windows 8 tablets, iPads, Macs and select mobile devices including iPhone.
•The latest versions of: Word, Excel, PowerPoint, Outlook, OneNote2, Publisher2, and Access.
•An extra 1 TB of online storage per household member in OneDrive (up to 5 users).
•60 minutes of Skype calls each month to phones in 40+ countries.
•One convenient annual subscription with automatic upgrades included so you're always up to date with the latest features and services.
•Renewing your subscription? Simply purchase Office 365 now and enter your login ID from your current Microsoft account.