microsoft office 365 license and office 2010/2007

Our company want to license  Office 2007 product used in company's computers.
The initial offer that we received is for Office 365 business premium(in the offer is written that with this license  we can have 5 offline installations on PC for Office products for  one user), and according to the company that sent us the offer, with  this plan we'll be able to use the current offline installation of the office products(they'll be licensed). Just to pinpoint that we don't have plans for moving to office 365, and we don't want to move it right now. We just want to license this product and it seems that if we buy office 365 business premium is cheaper than buying office 2007.
At now another microsoft partner company is telling us that this is wrong and we have to buy office 2007.
When we called microsoft directly we didn't received any normal answer to this question(of course we insist from them to provide us with something that is  written in any microsoft licensing documents). In the end their comments are that office 365 is having problems with older version of office and supported version is office 2013 and so on so on). We know that but we don't plan to use office 365.
Could you help me and give me some information if we buy office 365 business premium, our local installations of office 2007 wil be licensed or not?
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Kev TomCommented:
You cannot license the Office 2007 installation with an Office 365 subscription.

As far as I know the Office 365 Subscriptions can activate installations of Office 2013 and now Office 2016.

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PowerEdgeTechIT ConsultantCommented:
Office 365 doesn't have backward licensing. For that you will need to use volume licensing.
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