It's a shame MS can't provide more clarification - the message could actual tell you what you have installed or how to correct the issue. For example - trying to open or save directly to O365 from an application wouldn't work and you would see error messages. When you have both on your system some things stop working - particularly with the integration with online products or web based products. Technically - there are ways to get these both on your system, but it's not a good idea which is why Microsoft blocks you. To use the Business version of Skype, licenses are required for each account or user.

Here - you have to download the entire package and then install it before you can use office. This application isnt included in every version of Office 365. Go to Start > Microsoft Office 2013 (Windows 7) or Start > Office 365. It basically streams the application down to you - and you can actually start using it before it's installed completely.Īs you uncovered another versions is what is called MSI based - this is the traditional install method for windows applications. You can install Skype for Business (Lync) on your Windows computer, mobile device. Microsoft has two different versions of office.įrom the O365 Portal you get what is called 'click to run' - which installs via a streaming service. This message is pretty clear if you work in IT - but not very clear if you don't deal with installing packages all day.

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