Error: "JavaScript is required to sign in" or similar error in Outlook on the web on your iPhone or iPad


You receive the following message on your iPhone or iPad when trying to sign in to Outlook on the web through Safari:

We can't sign you in

JavaScript is required to sign in. Your browser either does not support JavaScript or it is being blocked.

Enable JavaScript in your browser or use one which supports it.

example screenshot

You may also see blank, white screen or you may see an animated Outlook logo that loops. The page never fully loads.


This error occurs when your browser blocks JavaScript.


Enable JavaScript in Safari.


You will be able to access your TechMail account through Outlook on the web in Safari without receiving an error message.