When using a client other than Skype for Business (formerly known as Lync) to connect with your Office 365 account, you’ll need to provide the Microsoft Lync servers with a user-agent string they recognize as an “acceptable” client. The reasoning behind this is surely to give you the best possible experience and not at all to lock out other messaging clients.
The Windows Update service will provide you with drivers for the Asus USB-N13 adapter, but in my experience, none of these drivers function reliably. They all suffer from the “limited connection disease” thus forcing me to reattach the dongle and play an endless game of connect and disconnect.
A while back I did some consulting work for a small ISP who had received complaints from a few customers that believed they could not use the ISP’s SMTP server to send email to outlook.com or hotmail.com accounts. These customers claimed they never got any bounce message (Non-Delivery Report) in return, so they firmly believed the problem resided with the ISP.
I usually prefer VirtualBox for my non-commercial virtualization needs, but since I already had VMware Player 6.0.2 installed on a Windows 8.1 64-bit host I decided go with it for my Slackware Linux 64-bit guest.