Hello Guys,
i am new here 
I am trying to instal on SeoTools Excel 2011 ( OSX) without having success.
This is the righ path Add-Ins -> Manager: Excel Add-ins + Go -> Browse -> Select SeoTools.xll.
The point is i cannot select and upload the SeoTools.xll. See the attachment please. https://imgur.com/Aibe5hd
How can install it ?
Many thanks