Frequently asked questions on MS Office and Office 365

Articles (18)

Pinned Article Known Issue: Unable to launch Outlook (.ost in use and cannot be accessed)

This is caused by the corruption of Outlook's profile file. You will need to reset your Outlook following instructions included in the Related Articles section on the right. If you had any shared mailboxes included in your Outlook, you will need to add them there again after resetting Outlook. See Related Articles section on the right.

Deactivate Office 365 if you see a "limit reached" error

Instructions for managing your Office 365 Pro Plus license activations.

Enable Microsoft Azure SSO (Single Sign-on) with Mozilla Firefox

Step-by-step procedure to enable Microsoft Azure SSO for Firefox, so you don't need to enter your user name and password to access Microsoft apps.

FAQ: Microsoft Office 365 for Students

Frequently asked questions related to Office 365 for students

How to install MS Office through Office 365 portal?

All University of Windsor employees and students are entitled to install MS Office on up to five computers by logging into

Known Issue: "Belongs to <e-mail address>" displays a wrong user in MS Office apps (or so it seems...)

Office 365 Pro Plus license activation works differently on a single-user and multi-user PCs.

Microsoft Office 365 Data Residency (Where is the data stored?)

Where is my Microsoft Office 365 data stored?

Microsoft Visio and Project Licensing

With Office 365, Microsoft transitioned to subscription-based licensing. Licenses for individual products are purchased and assigned to individual users online rather than by entering Product Key on the workstation. Microsoft Visio and Project are not covered by the current licensing agreement. Clients interested in using this software have the option to purchase the subscription license thought IT Services at a discounted academic pricing.

Office 365 Service Portfolio

This document provides a list of services with descriptions that are part of the Office 365 suite that is licensed for use by students, faculty and staff at UWindsor.

Unable to activate Microsoft Office for Mac

MIcrosoft Office for Mac is unable to activate

Where can I download Microsoft Teams desktop app?

The Microsoft Teams desktop client is a standalone application and currently not part of Office Pro Plus. There are two different methods that you can use to download and install MS Teams desktop app: Teams website, and Office 365 Portal.

Which version of Microsoft Office do I have installed on my PC?

Steps to follow to determine the version of MS Office currently installed don your computer.

Why am I unable to sign into Microsoft Office 365 Portal?

Troubleshooting steps for problems related to signing into Microsoft Office Portal.