Microsoft 365

Office 365 Install on MAC osX

This page will explain how to install Office 365 on OSX

Norsk versjon: Office 365 - Installere på OSX

Installation of Office 365

 Install Office 365

Simple instruction

  • Click Installer and download the file. 

  • Open the file you downloaded and the installation will start. 

Sign in using your NTNU 

Detailed description 

You will be able to download Office 365 by clicking the button on top of this page and then click the red tile that says “Nedlasting - Office-pakken”.

When you click the red tile, the office suite will be downloaded as a -dmg file.When it is downloaded, open it and start “Office installer”.  

The installation program will commence, and you have to accept the license agreement. Click “Next” and then “Accept”. 

Choose where Office is to be installed in the menu “Instalation type”. You can also customize what you wish to install by clicking “Customize”. For most users it will be sufficient to just click “Install” without making any changes. 

You will thence prompted with a log in window. Enterthe password for your Mac. 

The installation will start, when this is done you will be prompted with a license window. Choose “Log in with excisting Office 365 user”. Enter your username at NTNU as:

You will be prompted for a password, enter your NTNU password. 

Please note :If you wish to change the language in Office 365, you have to change the language in the operating system. 

You have now installed Office 365 on your OS X-device.

Install Skype for Business

The Office 365 package for Mac does, unlike the Windows edition, not contain Skype for Business. Mac users must therefore download and install Skype for Business separately. The Skype for Business Client for Mac can be found here:

(If you have an old version of Skype for Business for Mac installed, you can upgrade to the latest version via the same link)


Orakel Support Services can help if you have questions or if you encounter difficulties.