Terminalfour (T4) Site Manager is Imperial’s main content management system (CMS). Terminal Four are specialists in the Higher Education market. 

These pages act as an online guide designed to provide an easy reference guide and provide instructions for using T4 and how to get training and support.

Access to T4

You will only be able to access T4 via the log in link on this page if you have registered for, and completed training on the new version of T4. See details about training below. If you have not completed training you will get a '401' error when you attempt log in.

Training and guidance


All users of T4 Site Manager must complete the online T4 (version 8) - Online Training Course before being given access to the system and update web pages.  This includes existing editors who edited the website on the previous version of T4 (version 7). You can request training for t4 Site Manager and your Faculty Web Officer will arrange this.

We also highly recommend that editors complete the Writing for the web and Making your web pages inclusive courses, as these cover key content skills for website editors.

Find out more about other web training resources available.

Guidance for using T4 Site Manager

You can navigate through all the guidance using the navigation menu on the left, but here are a list of the most popular how to guides.


Supported browsers

Terminalfour state that:

"the most current browser versions are used to test Terminalfour at the time of release. Earlier and later versions should also work just fine"

The current Imperial version of T4 is 8.3.10 released on 15 July 2021.

Supported browser version history

Please also note which browser versions are supported at Imperial.