This information applies when attempting to access Microsoft Teams through a web browser and the following error message appears: To open the web app, you need to change your browser settings to allow third-party cookies. To bypass this error, please try the steps below.
Step-by-step guide
Add https://login.onmicrosoft.com as a cookie exception to your web browser
Google Chrome: see article titled "Allow or block cookies for a specific site"
Add additional exceptions to https://login.onmicrosoft.com:
[*.]onmicrosoft.com
https://[*.]microsoftonline.com
https://[*.]microsoftonline.com
https://[*.]teams.microsoft.com
https://[*.]teams.microsoft.com
Mozilla Firefox: see article titled "Content Blocking"
2 If your web browser doesn't have the option to add an exception, then you can allow cookies saved by all websites
3. Download the Teams desktop application through Office 365 if you are using a Windows or a Mac. The mobile application is available on Android and iOS.
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Need help?
Contact the IST Service Desk online or 519-888-4567 ext. 44357.
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