Win 10 with sharepoint opens READ ONLY

Hey everyone. Looking for help as I have searched and tried different things and nothing has seemed to work yet. I have windows 10 and have sharepoint network. Ever since I upgraded to windows 10 with office 2016, every time I open a file in excel it opens as read only and is incredibly frustrating as I open a lot of these files daily. Any advice would be great!

thanks
 
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