Office 365 - What browsers can I use to access my account?
For the smoothest user experience in Office 365, it is recommended to use the following web browsers: Microsoft Edge/Internet Explorer, Mozilla Firefox, Google Chrome, or Apple Safari. Microsoft's list of absolute minimum browser requirements can be found here.
To log into your Office 365 account, go to Outlook on the web.
Common Browsers and their recommended versions
Edge/Internet Explorer - Recommended using latest "release".
Safari - Recommended using latest release.