Self-Help Article (External)
Intended Audience: Faculty, staff and students
Purpose
This article provides step-by-step instructions for installing Outlook for Windows and macOS.
Requirements
- An active Okey account.
- Compatible device Windows or Mac computer that meets Microsoft Office system requirements.
- Sufficient disk space.
- Permissions to install software (administrator access may be required).
- No conflicting Office versions, any existing versions of Microsoft Office must be uninstalled before installing the new version.
- Internet access to log in to Cowboy Mail and download the Office installation file.
Step-by-Step Procedures
- Log in to your Cowboy Mail account at http://cowboymail.okstate.edu/
- From that page, click your account icon in the top right and select View account.

- Click Office Apps from the left side panel.

- On the next page, click Install Office.

- It will open a prompt to download the Office Installation file. When prompted, choose to Save the file.
- Open File Explorer and locate the file you just downloaded. Double-click it to start the installation.
- You will be prompted with a screen asking if you want to allow the app to make changes to your computer, select Yes.
- This will begin the installation process for Office. It may take some time for the installation to complete.
- When the installation process is complete, close out of the installer window and begin using your Office applications which include Outlook.