Report abuse. Hi Katarina, We suggest you refer to this article about Office 365 offline installer: Use the Office 2016 offline installer. The installer is for Office 365 Home plan, if you are using Office 365 for Business, you need to follow the steps in the article to use Office 2016 Deployment Tool to download the files first. Regards, Tisky.
Install Office 365 using the offline installer The offline installer of Office 365 is packed in an IMG file. So as to run the Office installer, you would like to mount the .img file. Both Windows 8.1 and Windows 10 support ISO and IMG files out of the box, meaning you'll mount ISO/IMG enter Windows 10/8.1 without the necessity of third-party g4bE8a.