MCD is a free extension for Microsoft Dynamics 365 Business Central (available at Microsoft AppSource).
MCD is just a small example of what a cross-company page could look like. It is intended to show what is possible in Business Central and serve as a suggestion as to what can be done, e.g. for controlling, simpler operability and faster configuration for several companies at the same time.
Cross-company pages usually have to be programmed to suit your needs. Pragmatic and helpful solutions can be created very quickly, also complex and very convenient solutions are possible. In addition to fields from tables or pages, values from tiles or FlowFields can also be integrated or reports can be attach.
Another major advantage is that users can be provided with links and menu items, allowing them to switch not only to the required company, but also to the point inside the other company required in that context. This can help to increase user acceptance and possibly even save working time. A small saved click alone may not make much difference, but if this is saved often or by a large number of users during the day, it does.
All MCD documentation is available in German or English.