Siemens SIMATIC PCS 7 Configuration Manual page 263

You can access the Information Server web application via Internet Explorer with the
corresponding access rights. In addition to displaying reports, the web application is also used
for administering the Information Server.
The Information Server uses the Internet Information Service (IIS) to provide data to an IS
client.
An add-in for Microsoft Word and Excel provides additional access to the Process Historian
database.
The following image shows an example of the Information Server web application:
Compendium Part A - Configuration Guidelines (V8.2)
Configuration Manual, 08/2016, A5E38166869-AA
Configuring OS functions
10.4 Archiving
263