Hi @Linda Chambers,
Please note that Internet Explorer has retired. If you need to run any application dependent on Internet Explorer, please turn to IE mode. You can refer to this doc to configure IE mode Compatibility for the sites you want. The steps are:
Enable Internet Explorer integration using Group Policy
Configure the Enterprise Mode Site List
As to creating the Enterprise Mode Site List, you can refer to this doc. For example, to load the site in IE5 Compatibility mode, the example site list file should be:
<site-list version="4">
<site url="www.example.com">
<compat-mode>IE5</compat-mode>
<open-in>IE11</open-in>
</site>
</site-list>
However, the oldest version supported seems to be IE5. You can have a try in IE5 if specifying IE4 in <compat-mode>
does not work.
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Best Regards,
Shijie Li