I have Office 365 E3 subscription and have a clean install of Office 2013 Pro Plus on my Windows 7 laptop and Windows 8.1 Surface Pro.  I have no issues with SkyDrive Pro on the Win7 Laptop. On the Win 8.1 Surface I am unable to save any changes to any file type in my SkyDrive. I consistently get a "Upload failure Permission Error" in the Upload Center. My only way to resolve to  discard changes and I am certain I am logged in.

• Moved by George.Zhao CHNMicrosoft contingent staff, Moderator 7 hours 19 minutes ago relate to skydrive in win8.1